Home / 5,155.96-7,731.75-2,232.18

Finding the Fourth Proportional to 5,155.96, 7,731.75 and 2,232.18

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Solution

The fourth proportional to 5,155.96, 7,731.75 and 2,232.18 is: 3,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.96 : 7,731.75 = 2,232.18 : x
  2. Step 2: Convert to fraction form
    5,155.96/7,731.75 = 2,232.18/x
  3. Step 3: Cross multiply
    5,155.96x = 7,731.75 × 2,232.18
  4. Step 4: Simplify right side
    5,155.96x = 17,258,657.72
  5. Step 5: Solve for x
    x = 17,258,657.72/5,155.96
  6. Step 6: Final answer
    x = 3,347.32

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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.