Home / 2,765.10-4,139.55-2,441.10

Finding the Fourth Proportional to 2,765.10, 4,139.55 and 2,441.10

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Solution

The fourth proportional to 2,765.10, 4,139.55 and 2,441.10 is: 3,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.10 : 4,139.55 = 2,441.10 : x
  2. Step 2: Convert to fraction form
    2,765.10/4,139.55 = 2,441.10/x
  3. Step 3: Cross multiply
    2,765.10x = 4,139.55 × 2,441.10
  4. Step 4: Simplify right side
    2,765.10x = 10,105,055.51
  5. Step 5: Solve for x
    x = 10,105,055.51/2,765.10
  6. Step 6: Final answer
    x = 3,654.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.