Home / 5,326.71-7,990.13-2,040

Finding the Fourth Proportional to 5,326.71, 7,990.13 and 2,040

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Solution

The fourth proportional to 5,326.71, 7,990.13 and 2,040 is: 3,060.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.71 : 7,990.13 = 2,040 : x
  2. Step 2: Convert to fraction form
    5,326.71/7,990.13 = 2,040/x
  3. Step 3: Cross multiply
    5,326.71x = 7,990.13 × 2,040
  4. Step 4: Simplify right side
    5,326.71x = 16,299,865.20
  5. Step 5: Solve for x
    x = 16,299,865.20/5,326.71
  6. Step 6: Final answer
    x = 3,060.02

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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.