Home / 2,649.25-3,655.97-1,470.51

Finding the Fourth Proportional to 2,649.25, 3,655.97 and 1,470.51

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Solution

The fourth proportional to 2,649.25, 3,655.97 and 1,470.51 is: 2,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.25 : 3,655.97 = 1,470.51 : x
  2. Step 2: Convert to fraction form
    2,649.25/3,655.97 = 1,470.51/x
  3. Step 3: Cross multiply
    2,649.25x = 3,655.97 × 1,470.51
  4. Step 4: Simplify right side
    2,649.25x = 5,376,133.09
  5. Step 5: Solve for x
    x = 5,376,133.09/2,649.25
  6. Step 6: Final answer
    x = 2,029.30

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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.