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Finding the Fourth Proportional to 2,497.70, 3,750.60 and 1,404.20

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Solution

The fourth proportional to 2,497.70, 3,750.60 and 1,404.20 is: 2,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.70 : 3,750.60 = 1,404.20 : x
  2. Step 2: Convert to fraction form
    2,497.70/3,750.60 = 1,404.20/x
  3. Step 3: Cross multiply
    2,497.70x = 3,750.60 × 1,404.20
  4. Step 4: Simplify right side
    2,497.70x = 5,266,592.52
  5. Step 5: Solve for x
    x = 5,266,592.52/2,497.70
  6. Step 6: Final answer
    x = 2,108.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.