Home / 5,167.00-7,140.96-3,907.65

Finding the Fourth Proportional to 5,167.00, 7,140.96 and 3,907.65

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Solution

The fourth proportional to 5,167.00, 7,140.96 and 3,907.65 is: 5,400.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.00 : 7,140.96 = 3,907.65 : x
  2. Step 2: Convert to fraction form
    5,167.00/7,140.96 = 3,907.65/x
  3. Step 3: Cross multiply
    5,167.00x = 7,140.96 × 3,907.65
  4. Step 4: Simplify right side
    5,167.00x = 27,904,399.12
  5. Step 5: Solve for x
    x = 27,904,399.12/5,167.00
  6. Step 6: Final answer
    x = 5,400.50

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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.