Home / 2,031.31-3,040.77-1,567.92

Finding the Fourth Proportional to 2,031.31, 3,040.77 and 1,567.92

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Solution

The fourth proportional to 2,031.31, 3,040.77 and 1,567.92 is: 2,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.31 : 3,040.77 = 1,567.92 : x
  2. Step 2: Convert to fraction form
    2,031.31/3,040.77 = 1,567.92/x
  3. Step 3: Cross multiply
    2,031.31x = 3,040.77 × 1,567.92
  4. Step 4: Simplify right side
    2,031.31x = 4,767,701.38
  5. Step 5: Solve for x
    x = 4,767,701.38/2,031.31
  6. Step 6: Final answer
    x = 2,347.11

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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.