Home / 2,649.11-3,973.35-701.46

Finding the Fourth Proportional to 2,649.11, 3,973.35 and 701.46

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Solution

The fourth proportional to 2,649.11, 3,973.35 and 701.46 is: 1,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.11 : 3,973.35 = 701.46 : x
  2. Step 2: Convert to fraction form
    2,649.11/3,973.35 = 701.46/x
  3. Step 3: Cross multiply
    2,649.11x = 3,973.35 × 701.46
  4. Step 4: Simplify right side
    2,649.11x = 2,787,148.72
  5. Step 5: Solve for x
    x = 2,787,148.72/2,649.11
  6. Step 6: Final answer
    x = 1,052.11

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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.