Home / 3,693.24-5,531.40-2,868.84

Finding the Fourth Proportional to 3,693.24, 5,531.40 and 2,868.84

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Solution

The fourth proportional to 3,693.24, 5,531.40 and 2,868.84 is: 4,296.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.24 : 5,531.40 = 2,868.84 : x
  2. Step 2: Convert to fraction form
    3,693.24/5,531.40 = 2,868.84/x
  3. Step 3: Cross multiply
    3,693.24x = 5,531.40 × 2,868.84
  4. Step 4: Simplify right side
    3,693.24x = 15,868,701.58
  5. Step 5: Solve for x
    x = 15,868,701.58/3,693.24
  6. Step 6: Final answer
    x = 4,296.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.