Home / 5,367.60-8,048.16-1,905.12

Finding the Fourth Proportional to 5,367.60, 8,048.16 and 1,905.12

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Solution

The fourth proportional to 5,367.60, 8,048.16 and 1,905.12 is: 2,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.60 : 8,048.16 = 1,905.12 : x
  2. Step 2: Convert to fraction form
    5,367.60/8,048.16 = 1,905.12/x
  3. Step 3: Cross multiply
    5,367.60x = 8,048.16 × 1,905.12
  4. Step 4: Simplify right side
    5,367.60x = 15,332,710.58
  5. Step 5: Solve for x
    x = 15,332,710.58/5,367.60
  6. Step 6: Final answer
    x = 2,856.53

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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.