Home / 5,264.06-7,892.81-2,140.29

Finding the Fourth Proportional to 5,264.06, 7,892.81 and 2,140.29

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Solution

The fourth proportional to 5,264.06, 7,892.81 and 2,140.29 is: 3,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264.06 : 7,892.81 = 2,140.29 : x
  2. Step 2: Convert to fraction form
    5,264.06/7,892.81 = 2,140.29/x
  3. Step 3: Cross multiply
    5,264.06x = 7,892.81 × 2,140.29
  4. Step 4: Simplify right side
    5,264.06x = 16,892,899.64
  5. Step 5: Solve for x
    x = 16,892,899.64/5,264.06
  6. Step 6: Final answer
    x = 3,209.10

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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.