Home / 2,614.61-3,919.29-1,153.51

Finding the Fourth Proportional to 2,614.61, 3,919.29 and 1,153.51

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Solution

The fourth proportional to 2,614.61, 3,919.29 and 1,153.51 is: 1,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.61 : 3,919.29 = 1,153.51 : x
  2. Step 2: Convert to fraction form
    2,614.61/3,919.29 = 1,153.51/x
  3. Step 3: Cross multiply
    2,614.61x = 3,919.29 × 1,153.51
  4. Step 4: Simplify right side
    2,614.61x = 4,520,926.08
  5. Step 5: Solve for x
    x = 4,520,926.08/2,614.61
  6. Step 6: Final answer
    x = 1,729.10

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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.