Home / 3,913.16-5,398.77-2,233.35

Finding the Fourth Proportional to 3,913.16, 5,398.77 and 2,233.35

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Solution

The fourth proportional to 3,913.16, 5,398.77 and 2,233.35 is: 3,081.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.16 : 5,398.77 = 2,233.35 : x
  2. Step 2: Convert to fraction form
    3,913.16/5,398.77 = 2,233.35/x
  3. Step 3: Cross multiply
    3,913.16x = 5,398.77 × 2,233.35
  4. Step 4: Simplify right side
    3,913.16x = 12,057,342.98
  5. Step 5: Solve for x
    x = 12,057,342.98/3,913.16
  6. Step 6: Final answer
    x = 3,081.23

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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.