Home / 2,765.48-4,148.01-1,010.42

Finding the Fourth Proportional to 2,765.48, 4,148.01 and 1,010.42

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Solution

The fourth proportional to 2,765.48, 4,148.01 and 1,010.42 is: 1,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.48 : 4,148.01 = 1,010.42 : x
  2. Step 2: Convert to fraction form
    2,765.48/4,148.01 = 1,010.42/x
  3. Step 3: Cross multiply
    2,765.48x = 4,148.01 × 1,010.42
  4. Step 4: Simplify right side
    2,765.48x = 4,191,232.26
  5. Step 5: Solve for x
    x = 4,191,232.26/2,765.48
  6. Step 6: Final answer
    x = 1,515.55

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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.