Home / 2,349.54-3,246.68-1,685.34

Finding the Fourth Proportional to 2,349.54, 3,246.68 and 1,685.34

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Solution

The fourth proportional to 2,349.54, 3,246.68 and 1,685.34 is: 2,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.54 : 3,246.68 = 1,685.34 : x
  2. Step 2: Convert to fraction form
    2,349.54/3,246.68 = 1,685.34/x
  3. Step 3: Cross multiply
    2,349.54x = 3,246.68 × 1,685.34
  4. Step 4: Simplify right side
    2,349.54x = 5,471,763.88
  5. Step 5: Solve for x
    x = 5,471,763.88/2,349.54
  6. Step 6: Final answer
    x = 2,328.87

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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.