Home / 4,615.32-6,917.72-1,982.04

Finding the Fourth Proportional to 4,615.32, 6,917.72 and 1,982.04

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Solution

The fourth proportional to 4,615.32, 6,917.72 and 1,982.04 is: 2,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.32 : 6,917.72 = 1,982.04 : x
  2. Step 2: Convert to fraction form
    4,615.32/6,917.72 = 1,982.04/x
  3. Step 3: Cross multiply
    4,615.32x = 6,917.72 × 1,982.04
  4. Step 4: Simplify right side
    4,615.32x = 13,711,197.75
  5. Step 5: Solve for x
    x = 13,711,197.75/4,615.32
  6. Step 6: Final answer
    x = 2,970.80

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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.