Home / 5,435.24-8,146.12-3,097.20

Finding the Fourth Proportional to 5,435.24, 8,146.12 and 3,097.20

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Solution

The fourth proportional to 5,435.24, 8,146.12 and 3,097.20 is: 4,641.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.24 : 8,146.12 = 3,097.20 : x
  2. Step 2: Convert to fraction form
    5,435.24/8,146.12 = 3,097.20/x
  3. Step 3: Cross multiply
    5,435.24x = 8,146.12 × 3,097.20
  4. Step 4: Simplify right side
    5,435.24x = 25,230,162.86
  5. Step 5: Solve for x
    x = 25,230,162.86/5,435.24
  6. Step 6: Final answer
    x = 4,641.96

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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.