Home / 2,619.39-3,612.70-1,624.11

Finding the Fourth Proportional to 2,619.39, 3,612.70 and 1,624.11

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Solution

The fourth proportional to 2,619.39, 3,612.70 and 1,624.11 is: 2,240.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.39 : 3,612.70 = 1,624.11 : x
  2. Step 2: Convert to fraction form
    2,619.39/3,612.70 = 1,624.11/x
  3. Step 3: Cross multiply
    2,619.39x = 3,612.70 × 1,624.11
  4. Step 4: Simplify right side
    2,619.39x = 5,867,422.20
  5. Step 5: Solve for x
    x = 5,867,422.20/2,619.39
  6. Step 6: Final answer
    x = 2,240.00

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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.