Home / 7,331.77-10,115.47-4,144.76

Finding the Fourth Proportional to 7,331.77, 10,115.47 and 4,144.76

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Solution

The fourth proportional to 7,331.77, 10,115.47 and 4,144.76 is: 5,718.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.77 : 10,115.47 = 4,144.76 : x
  2. Step 2: Convert to fraction form
    7,331.77/10,115.47 = 4,144.76/x
  3. Step 3: Cross multiply
    7,331.77x = 10,115.47 × 4,144.76
  4. Step 4: Simplify right side
    7,331.77x = 41,926,164.66
  5. Step 5: Solve for x
    x = 41,926,164.66/7,331.77
  6. Step 6: Final answer
    x = 5,718.42

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Find fourth proportional to 3,665.89, 5,057.73 and 2,072.38
Half scale
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Double scale
Find fourth proportional to 7,332.77, 10,116.85 and 4,145.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.