Home / 5,490.10-7,576.26-2,972.16

Finding the Fourth Proportional to 5,490.10, 7,576.26 and 2,972.16

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Solution

The fourth proportional to 5,490.10, 7,576.26 and 2,972.16 is: 4,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.10 : 7,576.26 = 2,972.16 : x
  2. Step 2: Convert to fraction form
    5,490.10/7,576.26 = 2,972.16/x
  3. Step 3: Cross multiply
    5,490.10x = 7,576.26 × 2,972.16
  4. Step 4: Simplify right side
    5,490.10x = 22,517,819.04
  5. Step 5: Solve for x
    x = 22,517,819.04/5,490.10
  6. Step 6: Final answer
    x = 4,101.54

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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.