Home / 5,587.77-7,711.12-3,069.95

Finding the Fourth Proportional to 5,587.77, 7,711.12 and 3,069.95

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Solution

The fourth proportional to 5,587.77, 7,711.12 and 3,069.95 is: 4,236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.77 : 7,711.12 = 3,069.95 : x
  2. Step 2: Convert to fraction form
    5,587.77/7,711.12 = 3,069.95/x
  3. Step 3: Cross multiply
    5,587.77x = 7,711.12 × 3,069.95
  4. Step 4: Simplify right side
    5,587.77x = 23,672,752.84
  5. Step 5: Solve for x
    x = 23,672,752.84/5,587.77
  6. Step 6: Final answer
    x = 4,236.53

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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.