Home / 3,163.32-4,365.12-1,766.16

Finding the Fourth Proportional to 3,163.32, 4,365.12 and 1,766.16

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Solution

The fourth proportional to 3,163.32, 4,365.12 and 1,766.16 is: 2,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.32 : 4,365.12 = 1,766.16 : x
  2. Step 2: Convert to fraction form
    3,163.32/4,365.12 = 1,766.16/x
  3. Step 3: Cross multiply
    3,163.32x = 4,365.12 × 1,766.16
  4. Step 4: Simplify right side
    3,163.32x = 7,709,500.34
  5. Step 5: Solve for x
    x = 7,709,500.34/3,163.32
  6. Step 6: Final answer
    x = 2,437.15

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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.