Home / 3,097.83-4,278.55-2,040.32

Finding the Fourth Proportional to 3,097.83, 4,278.55 and 2,040.32

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Solution

The fourth proportional to 3,097.83, 4,278.55 and 2,040.32 is: 2,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.83 : 4,278.55 = 2,040.32 : x
  2. Step 2: Convert to fraction form
    3,097.83/4,278.55 = 2,040.32/x
  3. Step 3: Cross multiply
    3,097.83x = 4,278.55 × 2,040.32
  4. Step 4: Simplify right side
    3,097.83x = 8,729,621.83
  5. Step 5: Solve for x
    x = 8,729,621.83/3,097.83
  6. Step 6: Final answer
    x = 2,817.98

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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.