Home / 2,649.30-3,973.99-701.55

Finding the Fourth Proportional to 2,649.30, 3,973.99 and 701.55

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Solution

The fourth proportional to 2,649.30, 3,973.99 and 701.55 is: 1,052.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.30 : 3,973.99 = 701.55 : x
  2. Step 2: Convert to fraction form
    2,649.30/3,973.99 = 701.55/x
  3. Step 3: Cross multiply
    2,649.30x = 3,973.99 × 701.55
  4. Step 4: Simplify right side
    2,649.30x = 2,787,952.68
  5. Step 5: Solve for x
    x = 2,787,952.68/2,649.30
  6. Step 6: Final answer
    x = 1,052.34

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1.5x scale

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.