Home / 5,616.90-7,751.25-3,098.95

Finding the Fourth Proportional to 5,616.90, 7,751.25 and 3,098.95

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Solution

The fourth proportional to 5,616.90, 7,751.25 and 3,098.95 is: 4,276.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.90 : 7,751.25 = 3,098.95 : x
  2. Step 2: Convert to fraction form
    5,616.90/7,751.25 = 3,098.95/x
  3. Step 3: Cross multiply
    5,616.90x = 7,751.25 × 3,098.95
  4. Step 4: Simplify right side
    5,616.90x = 24,020,716.81
  5. Step 5: Solve for x
    x = 24,020,716.81/5,616.90
  6. Step 6: Final answer
    x = 4,276.51

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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.