Home / 7,015.53-10,520.56-2,630.60

Finding the Fourth Proportional to 7,015.53, 10,520.56 and 2,630.60

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Solution

The fourth proportional to 7,015.53, 10,520.56 and 2,630.60 is: 3,944.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.53 : 10,520.56 = 2,630.60 : x
  2. Step 2: Convert to fraction form
    7,015.53/10,520.56 = 2,630.60/x
  3. Step 3: Cross multiply
    7,015.53x = 10,520.56 × 2,630.60
  4. Step 4: Simplify right side
    7,015.53x = 27,675,385.14
  5. Step 5: Solve for x
    x = 27,675,385.14/7,015.53
  6. Step 6: Final answer
    x = 3,944.87

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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.