Home / 5,155.80-7,733.70-2,965.56

Finding the Fourth Proportional to 5,155.80, 7,733.70 and 2,965.56

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Solution

The fourth proportional to 5,155.80, 7,733.70 and 2,965.56 is: 4,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.80 : 7,733.70 = 2,965.56 : x
  2. Step 2: Convert to fraction form
    5,155.80/7,733.70 = 2,965.56/x
  3. Step 3: Cross multiply
    5,155.80x = 7,733.70 × 2,965.56
  4. Step 4: Simplify right side
    5,155.80x = 22,934,751.37
  5. Step 5: Solve for x
    x = 22,934,751.37/5,155.80
  6. Step 6: Final answer
    x = 4,448.34

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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.