Home / 5,020.88-6,929.00-3,031.05

Finding the Fourth Proportional to 5,020.88, 6,929.00 and 3,031.05

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Solution

The fourth proportional to 5,020.88, 6,929.00 and 3,031.05 is: 4,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.88 : 6,929.00 = 3,031.05 : x
  2. Step 2: Convert to fraction form
    5,020.88/6,929.00 = 3,031.05/x
  3. Step 3: Cross multiply
    5,020.88x = 6,929.00 × 3,031.05
  4. Step 4: Simplify right side
    5,020.88x = 21,002,130.29
  5. Step 5: Solve for x
    x = 21,002,130.29/5,020.88
  6. Step 6: Final answer
    x = 4,182.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.