Home / 5,008.29-7,508.38-2,088.78

Finding the Fourth Proportional to 5,008.29, 7,508.38 and 2,088.78

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Solution

The fourth proportional to 5,008.29, 7,508.38 and 2,088.78 is: 3,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.29 : 7,508.38 = 2,088.78 : x
  2. Step 2: Convert to fraction form
    5,008.29/7,508.38 = 2,088.78/x
  3. Step 3: Cross multiply
    5,008.29x = 7,508.38 × 2,088.78
  4. Step 4: Simplify right side
    5,008.29x = 15,683,353.98
  5. Step 5: Solve for x
    x = 15,683,353.98/5,008.29
  6. Step 6: Final answer
    x = 3,131.48

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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.