Home / 2,409.90-3,616.61-1,589.91

Finding the Fourth Proportional to 2,409.90, 3,616.61 and 1,589.91

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Solution

The fourth proportional to 2,409.90, 3,616.61 and 1,589.91 is: 2,386.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.90 : 3,616.61 = 1,589.91 : x
  2. Step 2: Convert to fraction form
    2,409.90/3,616.61 = 1,589.91/x
  3. Step 3: Cross multiply
    2,409.90x = 3,616.61 × 1,589.91
  4. Step 4: Simplify right side
    2,409.90x = 5,750,076.46
  5. Step 5: Solve for x
    x = 5,750,076.46/2,409.90
  6. Step 6: Final answer
    x = 2,386.02

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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.