Home / 5,490.33-7,576.65-2,972.43

Finding the Fourth Proportional to 5,490.33, 7,576.65 and 2,972.43

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Solution

The fourth proportional to 5,490.33, 7,576.65 and 2,972.43 is: 4,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.33 : 7,576.65 = 2,972.43 : x
  2. Step 2: Convert to fraction form
    5,490.33/7,576.65 = 2,972.43/x
  3. Step 3: Cross multiply
    5,490.33x = 7,576.65 × 2,972.43
  4. Step 4: Simplify right side
    5,490.33x = 22,521,061.76
  5. Step 5: Solve for x
    x = 22,521,061.76/5,490.33
  6. Step 6: Final answer
    x = 4,101.95

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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.