Home / 5,490.04-7,576.23-2,972.14

Finding the Fourth Proportional to 5,490.04, 7,576.23 and 2,972.14

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Solution

The fourth proportional to 5,490.04, 7,576.23 and 2,972.14 is: 4,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.04 : 7,576.23 = 2,972.14 : x
  2. Step 2: Convert to fraction form
    5,490.04/7,576.23 = 2,972.14/x
  3. Step 3: Cross multiply
    5,490.04x = 7,576.23 × 2,972.14
  4. Step 4: Simplify right side
    5,490.04x = 22,517,616.23
  5. Step 5: Solve for x
    x = 22,517,616.23/5,490.04
  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.