Home / 5,380.73-7,432.41-4,137.08

Finding the Fourth Proportional to 5,380.73, 7,432.41 and 4,137.08

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Solution

The fourth proportional to 5,380.73, 7,432.41 and 4,137.08 is: 5,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.73 : 7,432.41 = 4,137.08 : x
  2. Step 2: Convert to fraction form
    5,380.73/7,432.41 = 4,137.08/x
  3. Step 3: Cross multiply
    5,380.73x = 7,432.41 × 4,137.08
  4. Step 4: Simplify right side
    5,380.73x = 30,748,437.60
  5. Step 5: Solve for x
    x = 30,748,437.60/5,380.73
  6. Step 6: Final answer
    x = 5,714.55

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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.