Home / 5,079.57-7,618.42-2,305.58

Finding the Fourth Proportional to 5,079.57, 7,618.42 and 2,305.58

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Solution

The fourth proportional to 5,079.57, 7,618.42 and 2,305.58 is: 3,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.57 : 7,618.42 = 2,305.58 : x
  2. Step 2: Convert to fraction form
    5,079.57/7,618.42 = 2,305.58/x
  3. Step 3: Cross multiply
    5,079.57x = 7,618.42 × 2,305.58
  4. Step 4: Simplify right side
    5,079.57x = 17,564,876.78
  5. Step 5: Solve for x
    x = 17,564,876.78/5,079.57
  6. Step 6: Final answer
    x = 3,457.95

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1.5x scale

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.