Home / 2,872.26-4,308.53-2,088.59

Finding the Fourth Proportional to 2,872.26, 4,308.53 and 2,088.59

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Solution

The fourth proportional to 2,872.26, 4,308.53 and 2,088.59 is: 3,132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.26 : 4,308.53 = 2,088.59 : x
  2. Step 2: Convert to fraction form
    2,872.26/4,308.53 = 2,088.59/x
  3. Step 3: Cross multiply
    2,872.26x = 4,308.53 × 2,088.59
  4. Step 4: Simplify right side
    2,872.26x = 8,998,720.69
  5. Step 5: Solve for x
    x = 8,998,720.69/2,872.26
  6. Step 6: Final answer
    x = 3,132.98

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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.