Home / 5,780.17-8,670.64-2,031.49

Finding the Fourth Proportional to 5,780.17, 8,670.64 and 2,031.49

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Solution

The fourth proportional to 5,780.17, 8,670.64 and 2,031.49 is: 3,047.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.17 : 8,670.64 = 2,031.49 : x
  2. Step 2: Convert to fraction form
    5,780.17/8,670.64 = 2,031.49/x
  3. Step 3: Cross multiply
    5,780.17x = 8,670.64 × 2,031.49
  4. Step 4: Simplify right side
    5,780.17x = 17,614,329.97
  5. Step 5: Solve for x
    x = 17,614,329.97/5,780.17
  6. Step 6: Final answer
    x = 3,047.37

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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.