Home / 3,649.43-5,472.25-1,457.57

Finding the Fourth Proportional to 3,649.43, 5,472.25 and 1,457.57

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Solution

The fourth proportional to 3,649.43, 5,472.25 and 1,457.57 is: 2,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.43 : 5,472.25 = 1,457.57 : x
  2. Step 2: Convert to fraction form
    3,649.43/5,472.25 = 1,457.57/x
  3. Step 3: Cross multiply
    3,649.43x = 5,472.25 × 1,457.57
  4. Step 4: Simplify right side
    3,649.43x = 7,976,187.43
  5. Step 5: Solve for x
    x = 7,976,187.43/3,649.43
  6. Step 6: Final answer
    x = 2,185.60

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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.