Home / 3,672.29-5,068.58-2,874.03

Finding the Fourth Proportional to 3,672.29, 5,068.58 and 2,874.03

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Solution

The fourth proportional to 3,672.29, 5,068.58 and 2,874.03 is: 3,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.29 : 5,068.58 = 2,874.03 : x
  2. Step 2: Convert to fraction form
    3,672.29/5,068.58 = 2,874.03/x
  3. Step 3: Cross multiply
    3,672.29x = 5,068.58 × 2,874.03
  4. Step 4: Simplify right side
    3,672.29x = 14,567,236.61
  5. Step 5: Solve for x
    x = 14,567,236.61/3,672.29
  6. Step 6: Final answer
    x = 3,966.80

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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.