Home / 3,151.41-4,348.96-1,754.16

Finding the Fourth Proportional to 3,151.41, 4,348.96 and 1,754.16

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Solution

The fourth proportional to 3,151.41, 4,348.96 and 1,754.16 is: 2,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.41 : 4,348.96 = 1,754.16 : x
  2. Step 2: Convert to fraction form
    3,151.41/4,348.96 = 1,754.16/x
  3. Step 3: Cross multiply
    3,151.41x = 4,348.96 × 1,754.16
  4. Step 4: Simplify right side
    3,151.41x = 7,628,750.98
  5. Step 5: Solve for x
    x = 7,628,750.98/3,151.41
  6. Step 6: Final answer
    x = 2,420.75

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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.