Home / 3,082.68-4,253.07-1,756.08

Finding the Fourth Proportional to 3,082.68, 4,253.07 and 1,756.08

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Solution

The fourth proportional to 3,082.68, 4,253.07 and 1,756.08 is: 2,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.68 : 4,253.07 = 1,756.08 : x
  2. Step 2: Convert to fraction form
    3,082.68/4,253.07 = 1,756.08/x
  3. Step 3: Cross multiply
    3,082.68x = 4,253.07 × 1,756.08
  4. Step 4: Simplify right side
    3,082.68x = 7,468,731.17
  5. Step 5: Solve for x
    x = 7,468,731.17/3,082.68
  6. Step 6: Final answer
    x = 2,422.80

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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.