Home / 5,317.25-7,338.59-3,079.22

Finding the Fourth Proportional to 5,317.25, 7,338.59 and 3,079.22

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Solution

The fourth proportional to 5,317.25, 7,338.59 and 3,079.22 is: 4,249.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.25 : 7,338.59 = 3,079.22 : x
  2. Step 2: Convert to fraction form
    5,317.25/7,338.59 = 3,079.22/x
  3. Step 3: Cross multiply
    5,317.25x = 7,338.59 × 3,079.22
  4. Step 4: Simplify right side
    5,317.25x = 22,597,081.01
  5. Step 5: Solve for x
    x = 22,597,081.01/5,317.25
  6. Step 6: Final answer
    x = 4,249.77

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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.