Home / 7,135.12-10,702.44-2,518

Finding the Fourth Proportional to 7,135.12, 10,702.44 and 2,518

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Solution

The fourth proportional to 7,135.12, 10,702.44 and 2,518 is: 3,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.12 : 10,702.44 = 2,518 : x
  2. Step 2: Convert to fraction form
    7,135.12/10,702.44 = 2,518/x
  3. Step 3: Cross multiply
    7,135.12x = 10,702.44 × 2,518
  4. Step 4: Simplify right side
    7,135.12x = 26,948,743.92
  5. Step 5: Solve for x
    x = 26,948,743.92/7,135.12
  6. Step 6: Final answer
    x = 3,776.92

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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.