Home / 5,432.76-8,150.10-1,969.56

Finding the Fourth Proportional to 5,432.76, 8,150.10 and 1,969.56

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Solution

The fourth proportional to 5,432.76, 8,150.10 and 1,969.56 is: 2,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.76 : 8,150.10 = 1,969.56 : x
  2. Step 2: Convert to fraction form
    5,432.76/8,150.10 = 1,969.56/x
  3. Step 3: Cross multiply
    5,432.76x = 8,150.10 × 1,969.56
  4. Step 4: Simplify right side
    5,432.76x = 16,052,110.96
  5. Step 5: Solve for x
    x = 16,052,110.96/5,432.76
  6. Step 6: Final answer
    x = 2,954.69

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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.