Home / 5,275.96-7,896.30-3,791.32

Finding the Fourth Proportional to 5,275.96, 7,896.30 and 3,791.32

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Solution

The fourth proportional to 5,275.96, 7,896.30 and 3,791.32 is: 5,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.96 : 7,896.30 = 3,791.32 : x
  2. Step 2: Convert to fraction form
    5,275.96/7,896.30 = 3,791.32/x
  3. Step 3: Cross multiply
    5,275.96x = 7,896.30 × 3,791.32
  4. Step 4: Simplify right side
    5,275.96x = 29,937,400.12
  5. Step 5: Solve for x
    x = 29,937,400.12/5,275.96
  6. Step 6: Final answer
    x = 5,674.30

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1.5x scale

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.