Home / 5,132.60-7,084.74-3,008.79

Finding the Fourth Proportional to 5,132.60, 7,084.74 and 3,008.79

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Solution

The fourth proportional to 5,132.60, 7,084.74 and 3,008.79 is: 4,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.60 : 7,084.74 = 3,008.79 : x
  2. Step 2: Convert to fraction form
    5,132.60/7,084.74 = 3,008.79/x
  3. Step 3: Cross multiply
    5,132.60x = 7,084.74 × 3,008.79
  4. Step 4: Simplify right side
    5,132.60x = 21,316,494.86
  5. Step 5: Solve for x
    x = 21,316,494.86/5,132.60
  6. Step 6: Final answer
    x = 4,153.16

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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.