Home / 5,112.42-7,668.47-1,825.23

Finding the Fourth Proportional to 5,112.42, 7,668.47 and 1,825.23

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Solution

The fourth proportional to 5,112.42, 7,668.47 and 1,825.23 is: 2,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.42 : 7,668.47 = 1,825.23 : x
  2. Step 2: Convert to fraction form
    5,112.42/7,668.47 = 1,825.23/x
  3. Step 3: Cross multiply
    5,112.42x = 7,668.47 × 1,825.23
  4. Step 4: Simplify right side
    5,112.42x = 13,996,754.82
  5. Step 5: Solve for x
    x = 13,996,754.82/5,112.42
  6. Step 6: Final answer
    x = 2,737.80

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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.