Home / 4,187.90-6,282.65-2,242.28

Finding the Fourth Proportional to 4,187.90, 6,282.65 and 2,242.28

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Solution

The fourth proportional to 4,187.90, 6,282.65 and 2,242.28 is: 3,363.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.90 : 6,282.65 = 2,242.28 : x
  2. Step 2: Convert to fraction form
    4,187.90/6,282.65 = 2,242.28/x
  3. Step 3: Cross multiply
    4,187.90x = 6,282.65 × 2,242.28
  4. Step 4: Simplify right side
    4,187.90x = 14,087,434.63
  5. Step 5: Solve for x
    x = 14,087,434.63/4,187.90
  6. Step 6: Final answer
    x = 3,363.85

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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.