Home / 3,925.12-5,874.88-2,465.28

Finding the Fourth Proportional to 3,925.12, 5,874.88 and 2,465.28

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Solution

The fourth proportional to 3,925.12, 5,874.88 and 2,465.28 is: 3,689.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.12 : 5,874.88 = 2,465.28 : x
  2. Step 2: Convert to fraction form
    3,925.12/5,874.88 = 2,465.28/x
  3. Step 3: Cross multiply
    3,925.12x = 5,874.88 × 2,465.28
  4. Step 4: Simplify right side
    3,925.12x = 14,483,224.17
  5. Step 5: Solve for x
    x = 14,483,224.17/3,925.12
  6. Step 6: Final answer
    x = 3,689.88

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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.