Home / 5,231.18-7,847.04-1,335.62

Finding the Fourth Proportional to 5,231.18, 7,847.04 and 1,335.62

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Solution

The fourth proportional to 5,231.18, 7,847.04 and 1,335.62 is: 2,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.18 : 7,847.04 = 1,335.62 : x
  2. Step 2: Convert to fraction form
    5,231.18/7,847.04 = 1,335.62/x
  3. Step 3: Cross multiply
    5,231.18x = 7,847.04 × 1,335.62
  4. Step 4: Simplify right side
    5,231.18x = 10,480,663.56
  5. Step 5: Solve for x
    x = 10,480,663.56/5,231.18
  6. Step 6: Final answer
    x = 2,003.50

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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.