Home / 2,501.42-3,452.40-2,390.72

Finding the Fourth Proportional to 2,501.42, 3,452.40 and 2,390.72

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Solution

The fourth proportional to 2,501.42, 3,452.40 and 2,390.72 is: 3,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,501.42 : 3,452.40 = 2,390.72 : x
  2. Step 2: Convert to fraction form
    2,501.42/3,452.40 = 2,390.72/x
  3. Step 3: Cross multiply
    2,501.42x = 3,452.40 × 2,390.72
  4. Step 4: Simplify right side
    2,501.42x = 8,253,704.47
  5. Step 5: Solve for x
    x = 8,253,704.47/2,501.42
  6. Step 6: Final answer
    x = 3,299.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.