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Finding the Fourth Proportional to 5,395.42, 7,445.82 and 3,037.42

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Solution

The fourth proportional to 5,395.42, 7,445.82 and 3,037.42 is: 4,191.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.42 : 7,445.82 = 3,037.42 : x
  2. Step 2: Convert to fraction form
    5,395.42/7,445.82 = 3,037.42/x
  3. Step 3: Cross multiply
    5,395.42x = 7,445.82 × 3,037.42
  4. Step 4: Simplify right side
    5,395.42x = 22,616,082.58
  5. Step 5: Solve for x
    x = 22,616,082.58/5,395.42
  6. Step 6: Final answer
    x = 4,191.72

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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.