Home / 5,675.33-8,514.20-1,780.13

Finding the Fourth Proportional to 5,675.33, 8,514.20 and 1,780.13

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Solution

The fourth proportional to 5,675.33, 8,514.20 and 1,780.13 is: 2,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.33 : 8,514.20 = 1,780.13 : x
  2. Step 2: Convert to fraction form
    5,675.33/8,514.20 = 1,780.13/x
  3. Step 3: Cross multiply
    5,675.33x = 8,514.20 × 1,780.13
  4. Step 4: Simplify right side
    5,675.33x = 15,156,373.95
  5. Step 5: Solve for x
    x = 15,156,373.95/5,675.33
  6. Step 6: Final answer
    x = 2,670.57

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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.