Home / 2,475.44-3,416.16-1,356.38

Finding the Fourth Proportional to 2,475.44, 3,416.16 and 1,356.38

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Solution

The fourth proportional to 2,475.44, 3,416.16 and 1,356.38 is: 1,871.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.44 : 3,416.16 = 1,356.38 : x
  2. Step 2: Convert to fraction form
    2,475.44/3,416.16 = 1,356.38/x
  3. Step 3: Cross multiply
    2,475.44x = 3,416.16 × 1,356.38
  4. Step 4: Simplify right side
    2,475.44x = 4,633,611.10
  5. Step 5: Solve for x
    x = 4,633,611.10/2,475.44
  6. Step 6: Final answer
    x = 1,871.83

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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.