Home / 5,790.18-8,691.30-2,870.58

Finding the Fourth Proportional to 5,790.18, 8,691.30 and 2,870.58

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Solution

The fourth proportional to 5,790.18, 8,691.30 and 2,870.58 is: 4,308.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.18 : 8,691.30 = 2,870.58 : x
  2. Step 2: Convert to fraction form
    5,790.18/8,691.30 = 2,870.58/x
  3. Step 3: Cross multiply
    5,790.18x = 8,691.30 × 2,870.58
  4. Step 4: Simplify right side
    5,790.18x = 24,949,071.95
  5. Step 5: Solve for x
    x = 24,949,071.95/5,790.18
  6. Step 6: Final answer
    x = 4,308.86

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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.