Home / 5,521.14-7,618.48-3,732.51

Finding the Fourth Proportional to 5,521.14, 7,618.48 and 3,732.51

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Solution

The fourth proportional to 5,521.14, 7,618.48 and 3,732.51 is: 5,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.14 : 7,618.48 = 3,732.51 : x
  2. Step 2: Convert to fraction form
    5,521.14/7,618.48 = 3,732.51/x
  3. Step 3: Cross multiply
    5,521.14x = 7,618.48 × 3,732.51
  4. Step 4: Simplify right side
    5,521.14x = 28,436,093.02
  5. Step 5: Solve for x
    x = 28,436,093.02/5,521.14
  6. Step 6: Final answer
    x = 5,150.40

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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.