Home / 2,649.24-3,655.64-1,470.02

Finding the Fourth Proportional to 2,649.24, 3,655.64 and 1,470.02

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Solution

The fourth proportional to 2,649.24, 3,655.64 and 1,470.02 is: 2,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.24 : 3,655.64 = 1,470.02 : x
  2. Step 2: Convert to fraction form
    2,649.24/3,655.64 = 1,470.02/x
  3. Step 3: Cross multiply
    2,649.24x = 3,655.64 × 1,470.02
  4. Step 4: Simplify right side
    2,649.24x = 5,373,863.91
  5. Step 5: Solve for x
    x = 5,373,863.91/2,649.24
  6. Step 6: Final answer
    x = 2,028.45

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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.