Home / 5,179.16-7,148.19-4,862.66

Finding the Fourth Proportional to 5,179.16, 7,148.19 and 4,862.66

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Solution

The fourth proportional to 5,179.16, 7,148.19 and 4,862.66 is: 6,711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.16 : 7,148.19 = 4,862.66 : x
  2. Step 2: Convert to fraction form
    5,179.16/7,148.19 = 4,862.66/x
  3. Step 3: Cross multiply
    5,179.16x = 7,148.19 × 4,862.66
  4. Step 4: Simplify right side
    5,179.16x = 34,759,181.84
  5. Step 5: Solve for x
    x = 34,759,181.84/5,179.16
  6. Step 6: Final answer
    x = 6,711.36

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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.