Home / 4,082.95-5,635.39-2,490.13

Finding the Fourth Proportional to 4,082.95, 5,635.39 and 2,490.13

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Solution

The fourth proportional to 4,082.95, 5,635.39 and 2,490.13 is: 3,436.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.95 : 5,635.39 = 2,490.13 : x
  2. Step 2: Convert to fraction form
    4,082.95/5,635.39 = 2,490.13/x
  3. Step 3: Cross multiply
    4,082.95x = 5,635.39 × 2,490.13
  4. Step 4: Simplify right side
    4,082.95x = 14,032,859.19
  5. Step 5: Solve for x
    x = 14,032,859.19/4,082.95
  6. Step 6: Final answer
    x = 3,436.94

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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.