Home / 5,442.62-7,508.24-3,947.25

Finding the Fourth Proportional to 5,442.62, 7,508.24 and 3,947.25

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Solution

The fourth proportional to 5,442.62, 7,508.24 and 3,947.25 is: 5,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.62 : 7,508.24 = 3,947.25 : x
  2. Step 2: Convert to fraction form
    5,442.62/7,508.24 = 3,947.25/x
  3. Step 3: Cross multiply
    5,442.62x = 7,508.24 × 3,947.25
  4. Step 4: Simplify right side
    5,442.62x = 29,636,880.60
  5. Step 5: Solve for x
    x = 29,636,880.60/5,442.62
  6. Step 6: Final answer
    x = 5,445.34

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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.