Home / 4,722.12-6,515.04-2,731.95

Finding the Fourth Proportional to 4,722.12, 6,515.04 and 2,731.95

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Solution

The fourth proportional to 4,722.12, 6,515.04 and 2,731.95 is: 3,769.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.12 : 6,515.04 = 2,731.95 : x
  2. Step 2: Convert to fraction form
    4,722.12/6,515.04 = 2,731.95/x
  3. Step 3: Cross multiply
    4,722.12x = 6,515.04 × 2,731.95
  4. Step 4: Simplify right side
    4,722.12x = 17,798,763.53
  5. Step 5: Solve for x
    x = 17,798,763.53/4,722.12
  6. Step 6: Final answer
    x = 3,769.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.