Home / 6,553.40-9,033.17-4,428.27

Finding the Fourth Proportional to 6,553.40, 9,033.17 and 4,428.27

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Solution

The fourth proportional to 6,553.40, 9,033.17 and 4,428.27 is: 6,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553.40 : 9,033.17 = 4,428.27 : x
  2. Step 2: Convert to fraction form
    6,553.40/9,033.17 = 4,428.27/x
  3. Step 3: Cross multiply
    6,553.40x = 9,033.17 × 4,428.27
  4. Step 4: Simplify right side
    6,553.40x = 40,001,293.57
  5. Step 5: Solve for x
    x = 40,001,293.57/6,553.40
  6. Step 6: Final answer
    x = 6,103.90

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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.