Home / 3,082.13-4,253.33-1,684.79

Finding the Fourth Proportional to 3,082.13, 4,253.33 and 1,684.79

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Solution

The fourth proportional to 3,082.13, 4,253.33 and 1,684.79 is: 2,325.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.13 : 4,253.33 = 1,684.79 : x
  2. Step 2: Convert to fraction form
    3,082.13/4,253.33 = 1,684.79/x
  3. Step 3: Cross multiply
    3,082.13x = 4,253.33 × 1,684.79
  4. Step 4: Simplify right side
    3,082.13x = 7,165,959.43
  5. Step 5: Solve for x
    x = 7,165,959.43/3,082.13
  6. Step 6: Final answer
    x = 2,325.00

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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.