Home / 5,156.16-7,117.12-3,293.16

Finding the Fourth Proportional to 5,156.16, 7,117.12 and 3,293.16

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Solution

The fourth proportional to 5,156.16, 7,117.12 and 3,293.16 is: 4,545.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.16 : 7,117.12 = 3,293.16 : x
  2. Step 2: Convert to fraction form
    5,156.16/7,117.12 = 3,293.16/x
  3. Step 3: Cross multiply
    5,156.16x = 7,117.12 × 3,293.16
  4. Step 4: Simplify right side
    5,156.16x = 23,437,773.80
  5. Step 5: Solve for x
    x = 23,437,773.80/5,156.16
  6. Step 6: Final answer
    x = 4,545.59

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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.