Home / 5,627.76-8,439.54-1,928.94

Finding the Fourth Proportional to 5,627.76, 8,439.54 and 1,928.94

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Solution

The fourth proportional to 5,627.76, 8,439.54 and 1,928.94 is: 2,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.76 : 8,439.54 = 1,928.94 : x
  2. Step 2: Convert to fraction form
    5,627.76/8,439.54 = 1,928.94/x
  3. Step 3: Cross multiply
    5,627.76x = 8,439.54 × 1,928.94
  4. Step 4: Simplify right side
    5,627.76x = 16,279,366.29
  5. Step 5: Solve for x
    x = 16,279,366.29/5,627.76
  6. Step 6: Final answer
    x = 2,892.69

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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.