Home / 2,475.82-3,416.60-1,356.75

Finding the Fourth Proportional to 2,475.82, 3,416.60 and 1,356.75

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Solution

The fourth proportional to 2,475.82, 3,416.60 and 1,356.75 is: 1,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.82 : 3,416.60 = 1,356.75 : x
  2. Step 2: Convert to fraction form
    2,475.82/3,416.60 = 1,356.75/x
  3. Step 3: Cross multiply
    2,475.82x = 3,416.60 × 1,356.75
  4. Step 4: Simplify right side
    2,475.82x = 4,635,472.05
  5. Step 5: Solve for x
    x = 4,635,472.05/2,475.82
  6. Step 6: Final answer
    x = 1,872.30

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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.