Home / 7,155.80-9,879.57-5,832.66

Finding the Fourth Proportional to 7,155.80, 9,879.57 and 5,832.66

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Solution

The fourth proportional to 7,155.80, 9,879.57 and 5,832.66 is: 8,052.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.80 : 9,879.57 = 5,832.66 : x
  2. Step 2: Convert to fraction form
    7,155.80/9,879.57 = 5,832.66/x
  3. Step 3: Cross multiply
    7,155.80x = 9,879.57 × 5,832.66
  4. Step 4: Simplify right side
    7,155.80x = 57,624,172.76
  5. Step 5: Solve for x
    x = 57,624,172.76/7,155.80
  6. Step 6: Final answer
    x = 8,052.79

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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.