Home / 5,017.29-6,922.88-2,891.97

Finding the Fourth Proportional to 5,017.29, 6,922.88 and 2,891.97

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Solution

The fourth proportional to 5,017.29, 6,922.88 and 2,891.97 is: 3,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.29 : 6,922.88 = 2,891.97 : x
  2. Step 2: Convert to fraction form
    5,017.29/6,922.88 = 2,891.97/x
  3. Step 3: Cross multiply
    5,017.29x = 6,922.88 × 2,891.97
  4. Step 4: Simplify right side
    5,017.29x = 20,020,732.52
  5. Step 5: Solve for x
    x = 20,020,732.52/5,017.29
  6. Step 6: Final answer
    x = 3,990.35

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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.