Home / 5,465.27-7,542.42-3,108.17

Finding the Fourth Proportional to 5,465.27, 7,542.42 and 3,108.17

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Solution

The fourth proportional to 5,465.27, 7,542.42 and 3,108.17 is: 4,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.27 : 7,542.42 = 3,108.17 : x
  2. Step 2: Convert to fraction form
    5,465.27/7,542.42 = 3,108.17/x
  3. Step 3: Cross multiply
    5,465.27x = 7,542.42 × 3,108.17
  4. Step 4: Simplify right side
    5,465.27x = 23,443,130.77
  5. Step 5: Solve for x
    x = 23,443,130.77/5,465.27
  6. Step 6: Final answer
    x = 4,289.47

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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.