Home / 2,349.87-3,243.20-1,354.97

Finding the Fourth Proportional to 2,349.87, 3,243.20 and 1,354.97

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Solution

The fourth proportional to 2,349.87, 3,243.20 and 1,354.97 is: 1,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.87 : 3,243.20 = 1,354.97 : x
  2. Step 2: Convert to fraction form
    2,349.87/3,243.20 = 1,354.97/x
  3. Step 3: Cross multiply
    2,349.87x = 3,243.20 × 1,354.97
  4. Step 4: Simplify right side
    2,349.87x = 4,394,415.71
  5. Step 5: Solve for x
    x = 4,394,415.71/2,349.87
  6. Step 6: Final answer
    x = 1,870.07

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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.