Home / 4,961-7,442.70-1,498.28

Finding the Fourth Proportional to 4,961, 7,442.70 and 1,498.28

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Solution

The fourth proportional to 4,961, 7,442.70 and 1,498.28 is: 2,247.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961 : 7,442.70 = 1,498.28 : x
  2. Step 2: Convert to fraction form
    4,961/7,442.70 = 1,498.28/x
  3. Step 3: Cross multiply
    4,961x = 7,442.70 × 1,498.28
  4. Step 4: Simplify right side
    4,961x = 11,151,248.56
  5. Step 5: Solve for x
    x = 11,151,248.56/4,961
  6. Step 6: Final answer
    x = 2,247.78

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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.