Home / 7,149.53-10,725.33-2,219.57

Finding the Fourth Proportional to 7,149.53, 10,725.33 and 2,219.57

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Solution

The fourth proportional to 7,149.53, 10,725.33 and 2,219.57 is: 3,329.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.53 : 10,725.33 = 2,219.57 : x
  2. Step 2: Convert to fraction form
    7,149.53/10,725.33 = 2,219.57/x
  3. Step 3: Cross multiply
    7,149.53x = 10,725.33 × 2,219.57
  4. Step 4: Simplify right side
    7,149.53x = 23,805,567.08
  5. Step 5: Solve for x
    x = 23,805,567.08/7,149.53
  6. Step 6: Final answer
    x = 3,329.67

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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.