Home / 5,397.24-7,447.77-3,158.81

Finding the Fourth Proportional to 5,397.24, 7,447.77 and 3,158.81

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Solution

The fourth proportional to 5,397.24, 7,447.77 and 3,158.81 is: 4,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.24 : 7,447.77 = 3,158.81 : x
  2. Step 2: Convert to fraction form
    5,397.24/7,447.77 = 3,158.81/x
  3. Step 3: Cross multiply
    5,397.24x = 7,447.77 × 3,158.81
  4. Step 4: Simplify right side
    5,397.24x = 23,526,053.11
  5. Step 5: Solve for x
    x = 23,526,053.11/5,397.24
  6. Step 6: Final answer
    x = 4,358.90

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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.