Home / 5,587.29-7,710.17-3,069.72

Finding the Fourth Proportional to 5,587.29, 7,710.17 and 3,069.72

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Solution

The fourth proportional to 5,587.29, 7,710.17 and 3,069.72 is: 4,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.29 : 7,710.17 = 3,069.72 : x
  2. Step 2: Convert to fraction form
    5,587.29/7,710.17 = 3,069.72/x
  3. Step 3: Cross multiply
    5,587.29x = 7,710.17 × 3,069.72
  4. Step 4: Simplify right side
    5,587.29x = 23,668,047.70
  5. Step 5: Solve for x
    x = 23,668,047.70/5,587.29
  6. Step 6: Final answer
    x = 4,236.05

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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.