Home / 5,170.92-7,752.60-1,658.93

Finding the Fourth Proportional to 5,170.92, 7,752.60 and 1,658.93

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Solution

The fourth proportional to 5,170.92, 7,752.60 and 1,658.93 is: 2,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.92 : 7,752.60 = 1,658.93 : x
  2. Step 2: Convert to fraction form
    5,170.92/7,752.60 = 1,658.93/x
  3. Step 3: Cross multiply
    5,170.92x = 7,752.60 × 1,658.93
  4. Step 4: Simplify right side
    5,170.92x = 12,860,973.66
  5. Step 5: Solve for x
    x = 12,860,973.66/5,170.92
  6. Step 6: Final answer
    x = 2,487.18

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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.