Home / 5,163.65-7,125.26-2,925.48

Finding the Fourth Proportional to 5,163.65, 7,125.26 and 2,925.48

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Solution

The fourth proportional to 5,163.65, 7,125.26 and 2,925.48 is: 4,036.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.65 : 7,125.26 = 2,925.48 : x
  2. Step 2: Convert to fraction form
    5,163.65/7,125.26 = 2,925.48/x
  3. Step 3: Cross multiply
    5,163.65x = 7,125.26 × 2,925.48
  4. Step 4: Simplify right side
    5,163.65x = 20,844,791.00
  5. Step 5: Solve for x
    x = 20,844,791.00/5,163.65
  6. Step 6: Final answer
    x = 4,036.84

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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.