Home / 7,155.25-10,734.80-2,993.06

Finding the Fourth Proportional to 7,155.25, 10,734.80 and 2,993.06

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Solution

The fourth proportional to 7,155.25, 10,734.80 and 2,993.06 is: 4,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.25 : 10,734.80 = 2,993.06 : x
  2. Step 2: Convert to fraction form
    7,155.25/10,734.80 = 2,993.06/x
  3. Step 3: Cross multiply
    7,155.25x = 10,734.80 × 2,993.06
  4. Step 4: Simplify right side
    7,155.25x = 32,129,912.36
  5. Step 5: Solve for x
    x = 32,129,912.36/7,155.25
  6. Step 6: Final answer
    x = 4,490.40

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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.