Home / 2,701.28-3,727.68-1,522.19

Finding the Fourth Proportional to 2,701.28, 3,727.68 and 1,522.19

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Solution

The fourth proportional to 2,701.28, 3,727.68 and 1,522.19 is: 2,100.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.28 : 3,727.68 = 1,522.19 : x
  2. Step 2: Convert to fraction form
    2,701.28/3,727.68 = 1,522.19/x
  3. Step 3: Cross multiply
    2,701.28x = 3,727.68 × 1,522.19
  4. Step 4: Simplify right side
    2,701.28x = 5,674,237.22
  5. Step 5: Solve for x
    x = 5,674,237.22/2,701.28
  6. Step 6: Final answer
    x = 2,100.57

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1.5x scale

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.