Home / 3,008.05-4,512.56-927.57

Finding the Fourth Proportional to 3,008.05, 4,512.56 and 927.57

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Solution

The fourth proportional to 3,008.05, 4,512.56 and 927.57 is: 1,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.05 : 4,512.56 = 927.57 : x
  2. Step 2: Convert to fraction form
    3,008.05/4,512.56 = 927.57/x
  3. Step 3: Cross multiply
    3,008.05x = 4,512.56 × 927.57
  4. Step 4: Simplify right side
    3,008.05x = 4,185,707.40
  5. Step 5: Solve for x
    x = 4,185,707.40/3,008.05
  6. Step 6: Final answer
    x = 1,391.50

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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.