Home / 5,361.12-7,398.82-3,003.76

Finding the Fourth Proportional to 5,361.12, 7,398.82 and 3,003.76

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Solution

The fourth proportional to 5,361.12, 7,398.82 and 3,003.76 is: 4,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.12 : 7,398.82 = 3,003.76 : x
  2. Step 2: Convert to fraction form
    5,361.12/7,398.82 = 3,003.76/x
  3. Step 3: Cross multiply
    5,361.12x = 7,398.82 × 3,003.76
  4. Step 4: Simplify right side
    5,361.12x = 22,224,279.56
  5. Step 5: Solve for x
    x = 22,224,279.56/5,361.12
  6. Step 6: Final answer
    x = 4,145.45

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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.