Home / 5,919.12-8,881.86-2,223.90

Finding the Fourth Proportional to 5,919.12, 8,881.86 and 2,223.90

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Solution

The fourth proportional to 5,919.12, 8,881.86 and 2,223.90 is: 3,337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.12 : 8,881.86 = 2,223.90 : x
  2. Step 2: Convert to fraction form
    5,919.12/8,881.86 = 2,223.90/x
  3. Step 3: Cross multiply
    5,919.12x = 8,881.86 × 2,223.90
  4. Step 4: Simplify right side
    5,919.12x = 19,752,368.45
  5. Step 5: Solve for x
    x = 19,752,368.45/5,919.12
  6. Step 6: Final answer
    x = 3,337.04

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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.