Home / 5,157.12-7,718.57-4,695.96

Finding the Fourth Proportional to 5,157.12, 7,718.57 and 4,695.96

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Solution

The fourth proportional to 5,157.12, 7,718.57 and 4,695.96 is: 7,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.12 : 7,718.57 = 4,695.96 : x
  2. Step 2: Convert to fraction form
    5,157.12/7,718.57 = 4,695.96/x
  3. Step 3: Cross multiply
    5,157.12x = 7,718.57 × 4,695.96
  4. Step 4: Simplify right side
    5,157.12x = 36,246,095.98
  5. Step 5: Solve for x
    x = 36,246,095.98/5,157.12
  6. Step 6: Final answer
    x = 7,028.36

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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.