Home / 7,155.30-10,736.19-2,998.38

Finding the Fourth Proportional to 7,155.30, 10,736.19 and 2,998.38

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Solution

The fourth proportional to 7,155.30, 10,736.19 and 2,998.38 is: 4,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.30 : 10,736.19 = 2,998.38 : x
  2. Step 2: Convert to fraction form
    7,155.30/10,736.19 = 2,998.38/x
  3. Step 3: Cross multiply
    7,155.30x = 10,736.19 × 2,998.38
  4. Step 4: Simplify right side
    7,155.30x = 32,191,177.37
  5. Step 5: Solve for x
    x = 32,191,177.37/7,155.30
  6. Step 6: Final answer
    x = 4,498.93

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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.