Home / 2,627.10-3,627.51-1,789.56

Finding the Fourth Proportional to 2,627.10, 3,627.51 and 1,789.56

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Solution

The fourth proportional to 2,627.10, 3,627.51 and 1,789.56 is: 2,471.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627.10 : 3,627.51 = 1,789.56 : x
  2. Step 2: Convert to fraction form
    2,627.10/3,627.51 = 1,789.56/x
  3. Step 3: Cross multiply
    2,627.10x = 3,627.51 × 1,789.56
  4. Step 4: Simplify right side
    2,627.10x = 6,491,646.80
  5. Step 5: Solve for x
    x = 6,491,646.80/2,627.10
  6. Step 6: Final answer
    x = 2,471.03

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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.