Home / 3,162.90-4,362.18-2,375.58

Finding the Fourth Proportional to 3,162.90, 4,362.18 and 2,375.58

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Solution

The fourth proportional to 3,162.90, 4,362.18 and 2,375.58 is: 3,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.90 : 4,362.18 = 2,375.58 : x
  2. Step 2: Convert to fraction form
    3,162.90/4,362.18 = 2,375.58/x
  3. Step 3: Cross multiply
    3,162.90x = 4,362.18 × 2,375.58
  4. Step 4: Simplify right side
    3,162.90x = 10,362,707.56
  5. Step 5: Solve for x
    x = 10,362,707.56/3,162.90
  6. Step 6: Final answer
    x = 3,276.33

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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.