Home / 2,439.14-3,672.21-1,674.66

Finding the Fourth Proportional to 2,439.14, 3,672.21 and 1,674.66

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Solution

The fourth proportional to 2,439.14, 3,672.21 and 1,674.66 is: 2,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.14 : 3,672.21 = 1,674.66 : x
  2. Step 2: Convert to fraction form
    2,439.14/3,672.21 = 1,674.66/x
  3. Step 3: Cross multiply
    2,439.14x = 3,672.21 × 1,674.66
  4. Step 4: Simplify right side
    2,439.14x = 6,149,703.20
  5. Step 5: Solve for x
    x = 6,149,703.20/2,439.14
  6. Step 6: Final answer
    x = 2,521.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.