Home / 5,344.52-8,016.91-1,646.78

Finding the Fourth Proportional to 5,344.52, 8,016.91 and 1,646.78

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Solution

The fourth proportional to 5,344.52, 8,016.91 and 1,646.78 is: 2,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.52 : 8,016.91 = 1,646.78 : x
  2. Step 2: Convert to fraction form
    5,344.52/8,016.91 = 1,646.78/x
  3. Step 3: Cross multiply
    5,344.52x = 8,016.91 × 1,646.78
  4. Step 4: Simplify right side
    5,344.52x = 13,202,094.89
  5. Step 5: Solve for x
    x = 13,202,094.89/5,344.52
  6. Step 6: Final answer
    x = 2,470.21

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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.