Home / 5,780.50-8,671.42-2,031.13

Finding the Fourth Proportional to 5,780.50, 8,671.42 and 2,031.13

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Solution

The fourth proportional to 5,780.50, 8,671.42 and 2,031.13 is: 3,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.50 : 8,671.42 = 2,031.13 : x
  2. Step 2: Convert to fraction form
    5,780.50/8,671.42 = 2,031.13/x
  3. Step 3: Cross multiply
    5,780.50x = 8,671.42 × 2,031.13
  4. Step 4: Simplify right side
    5,780.50x = 17,612,750.74
  5. Step 5: Solve for x
    x = 17,612,750.74/5,780.50
  6. Step 6: Final answer
    x = 3,046.93

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1.5x scale

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.