Home / 4,705.12-7,062.78-3,538.45

Finding the Fourth Proportional to 4,705.12, 7,062.78 and 3,538.45

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Solution

The fourth proportional to 4,705.12, 7,062.78 and 3,538.45 is: 5,311.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.12 : 7,062.78 = 3,538.45 : x
  2. Step 2: Convert to fraction form
    4,705.12/7,062.78 = 3,538.45/x
  3. Step 3: Cross multiply
    4,705.12x = 7,062.78 × 3,538.45
  4. Step 4: Simplify right side
    4,705.12x = 24,991,258.58
  5. Step 5: Solve for x
    x = 24,991,258.58/4,705.12
  6. Step 6: Final answer
    x = 5,311.51

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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.