Home / 3,015.68-4,161.74-1,757.18

Finding the Fourth Proportional to 3,015.68, 4,161.74 and 1,757.18

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Solution

The fourth proportional to 3,015.68, 4,161.74 and 1,757.18 is: 2,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.68 : 4,161.74 = 1,757.18 : x
  2. Step 2: Convert to fraction form
    3,015.68/4,161.74 = 1,757.18/x
  3. Step 3: Cross multiply
    3,015.68x = 4,161.74 × 1,757.18
  4. Step 4: Simplify right side
    3,015.68x = 7,312,926.29
  5. Step 5: Solve for x
    x = 7,312,926.29/3,015.68
  6. Step 6: Final answer
    x = 2,424.97

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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.