Home / 3,172.25-4,376.24-2,053.55

Finding the Fourth Proportional to 3,172.25, 4,376.24 and 2,053.55

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Solution

The fourth proportional to 3,172.25, 4,376.24 and 2,053.55 is: 2,832.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.25 : 4,376.24 = 2,053.55 : x
  2. Step 2: Convert to fraction form
    3,172.25/4,376.24 = 2,053.55/x
  3. Step 3: Cross multiply
    3,172.25x = 4,376.24 × 2,053.55
  4. Step 4: Simplify right side
    3,172.25x = 8,986,795.50
  5. Step 5: Solve for x
    x = 8,986,795.50/3,172.25
  6. Step 6: Final answer
    x = 2,832.94

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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.