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Finding the Fourth Proportional to 2,833.57, 4,250.31 and 753.58

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Solution

The fourth proportional to 2,833.57, 4,250.31 and 753.58 is: 1,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.57 : 4,250.31 = 753.58 : x
  2. Step 2: Convert to fraction form
    2,833.57/4,250.31 = 753.58/x
  3. Step 3: Cross multiply
    2,833.57x = 4,250.31 × 753.58
  4. Step 4: Simplify right side
    2,833.57x = 3,202,948.61
  5. Step 5: Solve for x
    x = 3,202,948.61/2,833.57
  6. Step 6: Final answer
    x = 1,130.36

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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.