Home / 2,381.19-3,568.54-1,513.95

Finding the Fourth Proportional to 2,381.19, 3,568.54 and 1,513.95

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Solution

The fourth proportional to 2,381.19, 3,568.54 and 1,513.95 is: 2,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.19 : 3,568.54 = 1,513.95 : x
  2. Step 2: Convert to fraction form
    2,381.19/3,568.54 = 1,513.95/x
  3. Step 3: Cross multiply
    2,381.19x = 3,568.54 × 1,513.95
  4. Step 4: Simplify right side
    2,381.19x = 5,402,591.13
  5. Step 5: Solve for x
    x = 5,402,591.13/2,381.19
  6. Step 6: Final answer
    x = 2,268.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.