Home / 5,490.18-7,576.42-2,972.26

Finding the Fourth Proportional to 5,490.18, 7,576.42 and 2,972.26

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Solution

The fourth proportional to 5,490.18, 7,576.42 and 2,972.26 is: 4,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.18 : 7,576.42 = 2,972.26 : x
  2. Step 2: Convert to fraction form
    5,490.18/7,576.42 = 2,972.26/x
  3. Step 3: Cross multiply
    5,490.18x = 7,576.42 × 2,972.26
  4. Step 4: Simplify right side
    5,490.18x = 22,519,090.11
  5. Step 5: Solve for x
    x = 22,519,090.11/5,490.18
  6. Step 6: Final answer
    x = 4,101.70

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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.