Home / 2,240.65-3,354.09-1,416.07

Finding the Fourth Proportional to 2,240.65, 3,354.09 and 1,416.07

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Solution

The fourth proportional to 2,240.65, 3,354.09 and 1,416.07 is: 2,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.65 : 3,354.09 = 1,416.07 : x
  2. Step 2: Convert to fraction form
    2,240.65/3,354.09 = 1,416.07/x
  3. Step 3: Cross multiply
    2,240.65x = 3,354.09 × 1,416.07
  4. Step 4: Simplify right side
    2,240.65x = 4,749,626.23
  5. Step 5: Solve for x
    x = 4,749,626.23/2,240.65
  6. Step 6: Final answer
    x = 2,119.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.