Home / 4,971.22-6,859.52-2,874.94

Finding the Fourth Proportional to 4,971.22, 6,859.52 and 2,874.94

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Solution

The fourth proportional to 4,971.22, 6,859.52 and 2,874.94 is: 3,966.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.22 : 6,859.52 = 2,874.94 : x
  2. Step 2: Convert to fraction form
    4,971.22/6,859.52 = 2,874.94/x
  3. Step 3: Cross multiply
    4,971.22x = 6,859.52 × 2,874.94
  4. Step 4: Simplify right side
    4,971.22x = 19,720,687.69
  5. Step 5: Solve for x
    x = 19,720,687.69/4,971.22
  6. Step 6: Final answer
    x = 3,966.97

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1.5x scale

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.