Home / 4,242.16-6,363.80-1,776.39

Finding the Fourth Proportional to 4,242.16, 6,363.80 and 1,776.39

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Solution

The fourth proportional to 4,242.16, 6,363.80 and 1,776.39 is: 2,664.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.16 : 6,363.80 = 1,776.39 : x
  2. Step 2: Convert to fraction form
    4,242.16/6,363.80 = 1,776.39/x
  3. Step 3: Cross multiply
    4,242.16x = 6,363.80 × 1,776.39
  4. Step 4: Simplify right side
    4,242.16x = 11,304,581.80
  5. Step 5: Solve for x
    x = 11,304,581.80/4,242.16
  6. Step 6: Final answer
    x = 2,664.82

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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.