Home / 5,224.76-7,210.12-2,866.84

Finding the Fourth Proportional to 5,224.76, 7,210.12 and 2,866.84

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Solution

The fourth proportional to 5,224.76, 7,210.12 and 2,866.84 is: 3,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.76 : 7,210.12 = 2,866.84 : x
  2. Step 2: Convert to fraction form
    5,224.76/7,210.12 = 2,866.84/x
  3. Step 3: Cross multiply
    5,224.76x = 7,210.12 × 2,866.84
  4. Step 4: Simplify right side
    5,224.76x = 20,670,260.42
  5. Step 5: Solve for x
    x = 20,670,260.42/5,224.76
  6. Step 6: Final answer
    x = 3,956.21

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Half scale
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Double scale
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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.