Home / 3,515.12-5,273.78-1,050.04

Finding the Fourth Proportional to 3,515.12, 5,273.78 and 1,050.04

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Solution

The fourth proportional to 3,515.12, 5,273.78 and 1,050.04 is: 1,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.12 : 5,273.78 = 1,050.04 : x
  2. Step 2: Convert to fraction form
    3,515.12/5,273.78 = 1,050.04/x
  3. Step 3: Cross multiply
    3,515.12x = 5,273.78 × 1,050.04
  4. Step 4: Simplify right side
    3,515.12x = 5,537,677.31
  5. Step 5: Solve for x
    x = 5,537,677.31/3,515.12
  6. Step 6: Final answer
    x = 1,575.39

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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.