Home / 5,424.71-7,487.10-3,066.86

Finding the Fourth Proportional to 5,424.71, 7,487.10 and 3,066.86

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Solution

The fourth proportional to 5,424.71, 7,487.10 and 3,066.86 is: 4,232.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.71 : 7,487.10 = 3,066.86 : x
  2. Step 2: Convert to fraction form
    5,424.71/7,487.10 = 3,066.86/x
  3. Step 3: Cross multiply
    5,424.71x = 7,487.10 × 3,066.86
  4. Step 4: Simplify right side
    5,424.71x = 22,961,906.22
  5. Step 5: Solve for x
    x = 22,961,906.22/5,424.71
  6. Step 6: Final answer
    x = 4,232.84

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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.