Home / 5,168.16-7,702.49-5,159.96

Finding the Fourth Proportional to 5,168.16, 7,702.49 and 5,159.96

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Solution

The fourth proportional to 5,168.16, 7,702.49 and 5,159.96 is: 7,690.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.16 : 7,702.49 = 5,159.96 : x
  2. Step 2: Convert to fraction form
    5,168.16/7,702.49 = 5,159.96/x
  3. Step 3: Cross multiply
    5,168.16x = 7,702.49 × 5,159.96
  4. Step 4: Simplify right side
    5,168.16x = 39,744,540.30
  5. Step 5: Solve for x
    x = 39,744,540.30/5,168.16
  6. Step 6: Final answer
    x = 7,690.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.