Home / 2,674.18-3,690.31-1,626.58

Finding the Fourth Proportional to 2,674.18, 3,690.31 and 1,626.58

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Solution

The fourth proportional to 2,674.18, 3,690.31 and 1,626.58 is: 2,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.18 : 3,690.31 = 1,626.58 : x
  2. Step 2: Convert to fraction form
    2,674.18/3,690.31 = 1,626.58/x
  3. Step 3: Cross multiply
    2,674.18x = 3,690.31 × 1,626.58
  4. Step 4: Simplify right side
    2,674.18x = 6,002,557.86
  5. Step 5: Solve for x
    x = 6,002,557.86/2,674.18
  6. Step 6: Final answer
    x = 2,244.64

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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.