Home / 3,705.13-5,104.38-3,045.79

Finding the Fourth Proportional to 3,705.13, 5,104.38 and 3,045.79

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Solution

The fourth proportional to 3,705.13, 5,104.38 and 3,045.79 is: 4,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.13 : 5,104.38 = 3,045.79 : x
  2. Step 2: Convert to fraction form
    3,705.13/5,104.38 = 3,045.79/x
  3. Step 3: Cross multiply
    3,705.13x = 5,104.38 × 3,045.79
  4. Step 4: Simplify right side
    3,705.13x = 15,546,869.56
  5. Step 5: Solve for x
    x = 15,546,869.56/3,705.13
  6. Step 6: Final answer
    x = 4,196.04

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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.