Home / 5,617.68-7,752.84-3,100.02

Finding the Fourth Proportional to 5,617.68, 7,752.84 and 3,100.02

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Solution

The fourth proportional to 5,617.68, 7,752.84 and 3,100.02 is: 4,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.68 : 7,752.84 = 3,100.02 : x
  2. Step 2: Convert to fraction form
    5,617.68/7,752.84 = 3,100.02/x
  3. Step 3: Cross multiply
    5,617.68x = 7,752.84 × 3,100.02
  4. Step 4: Simplify right side
    5,617.68x = 24,033,959.06
  5. Step 5: Solve for x
    x = 24,033,959.06/5,617.68
  6. Step 6: Final answer
    x = 4,278.27

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1.5x scale

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.