Home / 5,079.60-7,609.48-4,529.20

Finding the Fourth Proportional to 5,079.60, 7,609.48 and 4,529.20

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Solution

The fourth proportional to 5,079.60, 7,609.48 and 4,529.20 is: 6,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.60 : 7,609.48 = 4,529.20 : x
  2. Step 2: Convert to fraction form
    5,079.60/7,609.48 = 4,529.20/x
  3. Step 3: Cross multiply
    5,079.60x = 7,609.48 × 4,529.20
  4. Step 4: Simplify right side
    5,079.60x = 34,464,856.82
  5. Step 5: Solve for x
    x = 34,464,856.82/5,079.60
  6. Step 6: Final answer
    x = 6,784.95

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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.