Home / 5,414.03-8,121.35-1,715.99

Finding the Fourth Proportional to 5,414.03, 8,121.35 and 1,715.99

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Solution

The fourth proportional to 5,414.03, 8,121.35 and 1,715.99 is: 2,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.03 : 8,121.35 = 1,715.99 : x
  2. Step 2: Convert to fraction form
    5,414.03/8,121.35 = 1,715.99/x
  3. Step 3: Cross multiply
    5,414.03x = 8,121.35 × 1,715.99
  4. Step 4: Simplify right side
    5,414.03x = 13,936,167.11
  5. Step 5: Solve for x
    x = 13,936,167.11/5,414.03
  6. Step 6: Final answer
    x = 2,574.08

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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.