Home / 7,590.60-11,383.20-3,432.60

Finding the Fourth Proportional to 7,590.60, 11,383.20 and 3,432.60

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Solution

The fourth proportional to 7,590.60, 11,383.20 and 3,432.60 is: 5,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.60 : 11,383.20 = 3,432.60 : x
  2. Step 2: Convert to fraction form
    7,590.60/11,383.20 = 3,432.60/x
  3. Step 3: Cross multiply
    7,590.60x = 11,383.20 × 3,432.60
  4. Step 4: Simplify right side
    7,590.60x = 39,073,972.32
  5. Step 5: Solve for x
    x = 39,073,972.32/7,590.60
  6. Step 6: Final answer
    x = 5,147.68

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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.