Home / 4,251.04-6,375.78-1,440.02

Finding the Fourth Proportional to 4,251.04, 6,375.78 and 1,440.02

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Solution

The fourth proportional to 4,251.04, 6,375.78 and 1,440.02 is: 2,159.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.04 : 6,375.78 = 1,440.02 : x
  2. Step 2: Convert to fraction form
    4,251.04/6,375.78 = 1,440.02/x
  3. Step 3: Cross multiply
    4,251.04x = 6,375.78 × 1,440.02
  4. Step 4: Simplify right side
    4,251.04x = 9,181,266.66
  5. Step 5: Solve for x
    x = 9,181,266.66/4,251.04
  6. Step 6: Final answer
    x = 2,159.77

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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.