Home / 4,971.16-6,859.66-2,874.52

Finding the Fourth Proportional to 4,971.16, 6,859.66 and 2,874.52

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Solution

The fourth proportional to 4,971.16, 6,859.66 and 2,874.52 is: 3,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.16 : 6,859.66 = 2,874.52 : x
  2. Step 2: Convert to fraction form
    4,971.16/6,859.66 = 2,874.52/x
  3. Step 3: Cross multiply
    4,971.16x = 6,859.66 × 2,874.52
  4. Step 4: Simplify right side
    4,971.16x = 19,718,229.86
  5. Step 5: Solve for x
    x = 19,718,229.86/4,971.16
  6. Step 6: Final answer
    x = 3,966.52

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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.