Home / 3,316.44-4,577.13-2,140.94

Finding the Fourth Proportional to 3,316.44, 4,577.13 and 2,140.94

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Solution

The fourth proportional to 3,316.44, 4,577.13 and 2,140.94 is: 2,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.44 : 4,577.13 = 2,140.94 : x
  2. Step 2: Convert to fraction form
    3,316.44/4,577.13 = 2,140.94/x
  3. Step 3: Cross multiply
    3,316.44x = 4,577.13 × 2,140.94
  4. Step 4: Simplify right side
    3,316.44x = 9,799,337.82
  5. Step 5: Solve for x
    x = 9,799,337.82/3,316.44
  6. Step 6: Final answer
    x = 2,954.78

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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.