Home / 5,868.45-8,098.52-3,215.90

Finding the Fourth Proportional to 5,868.45, 8,098.52 and 3,215.90

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Solution

The fourth proportional to 5,868.45, 8,098.52 and 3,215.90 is: 4,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.45 : 8,098.52 = 3,215.90 : x
  2. Step 2: Convert to fraction form
    5,868.45/8,098.52 = 3,215.90/x
  3. Step 3: Cross multiply
    5,868.45x = 8,098.52 × 3,215.90
  4. Step 4: Simplify right side
    5,868.45x = 26,044,034.63
  5. Step 5: Solve for x
    x = 26,044,034.63/5,868.45
  6. Step 6: Final answer
    x = 4,437.98

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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.