Home / 7,331.42-10,117.37-3,974.24

Finding the Fourth Proportional to 7,331.42, 10,117.37 and 3,974.24

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Solution

The fourth proportional to 7,331.42, 10,117.37 and 3,974.24 is: 5,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.42 : 10,117.37 = 3,974.24 : x
  2. Step 2: Convert to fraction form
    7,331.42/10,117.37 = 3,974.24/x
  3. Step 3: Cross multiply
    7,331.42x = 10,117.37 × 3,974.24
  4. Step 4: Simplify right side
    7,331.42x = 40,208,856.55
  5. Step 5: Solve for x
    x = 40,208,856.55/7,331.42
  6. Step 6: Final answer
    x = 5,484.46

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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.