Home / 5,456.57-7,530.03-3,098.66

Finding the Fourth Proportional to 5,456.57, 7,530.03 and 3,098.66

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Solution

The fourth proportional to 5,456.57, 7,530.03 and 3,098.66 is: 4,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.57 : 7,530.03 = 3,098.66 : x
  2. Step 2: Convert to fraction form
    5,456.57/7,530.03 = 3,098.66/x
  3. Step 3: Cross multiply
    5,456.57x = 7,530.03 × 3,098.66
  4. Step 4: Simplify right side
    5,456.57x = 23,332,965.11
  5. Step 5: Solve for x
    x = 23,332,965.11/5,456.57
  6. Step 6: Final answer
    x = 4,276.13

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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.