Home / 7,015.68-10,520.52-2,630.10

Finding the Fourth Proportional to 7,015.68, 10,520.52 and 2,630.10

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Solution

The fourth proportional to 7,015.68, 10,520.52 and 2,630.10 is: 3,944.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.68 : 10,520.52 = 2,630.10 : x
  2. Step 2: Convert to fraction form
    7,015.68/10,520.52 = 2,630.10/x
  3. Step 3: Cross multiply
    7,015.68x = 10,520.52 × 2,630.10
  4. Step 4: Simplify right side
    7,015.68x = 27,670,019.65
  5. Step 5: Solve for x
    x = 27,670,019.65/7,015.68
  6. Step 6: Final answer
    x = 3,944.03

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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.