Home / 3,718.86-5,132.74-2,459.96

Finding the Fourth Proportional to 3,718.86, 5,132.74 and 2,459.96

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Solution

The fourth proportional to 3,718.86, 5,132.74 and 2,459.96 is: 3,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.86 : 5,132.74 = 2,459.96 : x
  2. Step 2: Convert to fraction form
    3,718.86/5,132.74 = 2,459.96/x
  3. Step 3: Cross multiply
    3,718.86x = 5,132.74 × 2,459.96
  4. Step 4: Simplify right side
    3,718.86x = 12,626,335.09
  5. Step 5: Solve for x
    x = 12,626,335.09/3,718.86
  6. Step 6: Final answer
    x = 3,395.22

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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.