Home / 7,035.15-9,708.18-4,202.97

Finding the Fourth Proportional to 7,035.15, 9,708.18 and 4,202.97

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Solution

The fourth proportional to 7,035.15, 9,708.18 and 4,202.97 is: 5,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.15 : 9,708.18 = 4,202.97 : x
  2. Step 2: Convert to fraction form
    7,035.15/9,708.18 = 4,202.97/x
  3. Step 3: Cross multiply
    7,035.15x = 9,708.18 × 4,202.97
  4. Step 4: Simplify right side
    7,035.15x = 40,803,189.29
  5. Step 5: Solve for x
    x = 40,803,189.29/7,035.15
  6. Step 6: Final answer
    x = 5,799.90

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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.