Home / 3,116.11-4,300.24-1,718.86

Finding the Fourth Proportional to 3,116.11, 4,300.24 and 1,718.86

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Solution

The fourth proportional to 3,116.11, 4,300.24 and 1,718.86 is: 2,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.11 : 4,300.24 = 1,718.86 : x
  2. Step 2: Convert to fraction form
    3,116.11/4,300.24 = 1,718.86/x
  3. Step 3: Cross multiply
    3,116.11x = 4,300.24 × 1,718.86
  4. Step 4: Simplify right side
    3,116.11x = 7,391,489.03
  5. Step 5: Solve for x
    x = 7,391,489.03/3,116.11
  6. Step 6: Final answer
    x = 2,372.03

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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.