Home / 5,398.89-7,450.01-3,008.58

Finding the Fourth Proportional to 5,398.89, 7,450.01 and 3,008.58

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Solution

The fourth proportional to 5,398.89, 7,450.01 and 3,008.58 is: 4,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.89 : 7,450.01 = 3,008.58 : x
  2. Step 2: Convert to fraction form
    5,398.89/7,450.01 = 3,008.58/x
  3. Step 3: Cross multiply
    5,398.89x = 7,450.01 × 3,008.58
  4. Step 4: Simplify right side
    5,398.89x = 22,413,919.39
  5. Step 5: Solve for x
    x = 22,413,919.39/5,398.89
  6. Step 6: Final answer
    x = 4,151.58

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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.