Home / 6,572.20-9,854.58-2,187.28

Finding the Fourth Proportional to 6,572.20, 9,854.58 and 2,187.28

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Solution

The fourth proportional to 6,572.20, 9,854.58 and 2,187.28 is: 3,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572.20 : 9,854.58 = 2,187.28 : x
  2. Step 2: Convert to fraction form
    6,572.20/9,854.58 = 2,187.28/x
  3. Step 3: Cross multiply
    6,572.20x = 9,854.58 × 2,187.28
  4. Step 4: Simplify right side
    6,572.20x = 21,554,725.74
  5. Step 5: Solve for x
    x = 21,554,725.74/6,572.20
  6. Step 6: Final answer
    x = 3,279.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.