Home / 3,060.34-4,223.38-1,881.78

Finding the Fourth Proportional to 3,060.34, 4,223.38 and 1,881.78

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Solution

The fourth proportional to 3,060.34, 4,223.38 and 1,881.78 is: 2,596.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.34 : 4,223.38 = 1,881.78 : x
  2. Step 2: Convert to fraction form
    3,060.34/4,223.38 = 1,881.78/x
  3. Step 3: Cross multiply
    3,060.34x = 4,223.38 × 1,881.78
  4. Step 4: Simplify right side
    3,060.34x = 7,947,472.02
  5. Step 5: Solve for x
    x = 7,947,472.02/3,060.34
  6. Step 6: Final answer
    x = 2,596.92

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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.