Home / 3,927.44-5,890.70-1,005.76

Finding the Fourth Proportional to 3,927.44, 5,890.70 and 1,005.76

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Solution

The fourth proportional to 3,927.44, 5,890.70 and 1,005.76 is: 1,508.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.44 : 5,890.70 = 1,005.76 : x
  2. Step 2: Convert to fraction form
    3,927.44/5,890.70 = 1,005.76/x
  3. Step 3: Cross multiply
    3,927.44x = 5,890.70 × 1,005.76
  4. Step 4: Simplify right side
    3,927.44x = 5,924,630.43
  5. Step 5: Solve for x
    x = 5,924,630.43/3,927.44
  6. Step 6: Final answer
    x = 1,508.52

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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.