Home / 5,355.19-7,388.71-3,257.83

Finding the Fourth Proportional to 5,355.19, 7,388.71 and 3,257.83

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Solution

The fourth proportional to 5,355.19, 7,388.71 and 3,257.83 is: 4,494.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.19 : 7,388.71 = 3,257.83 : x
  2. Step 2: Convert to fraction form
    5,355.19/7,388.71 = 3,257.83/x
  3. Step 3: Cross multiply
    5,355.19x = 7,388.71 × 3,257.83
  4. Step 4: Simplify right side
    5,355.19x = 24,071,161.10
  5. Step 5: Solve for x
    x = 24,071,161.10/5,355.19
  6. Step 6: Final answer
    x = 4,494.92

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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.