Home / 5,317.23-7,338.51-3,079.81

Finding the Fourth Proportional to 5,317.23, 7,338.51 and 3,079.81

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Solution

The fourth proportional to 5,317.23, 7,338.51 and 3,079.81 is: 4,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.23 : 7,338.51 = 3,079.81 : x
  2. Step 2: Convert to fraction form
    5,317.23/7,338.51 = 3,079.81/x
  3. Step 3: Cross multiply
    5,317.23x = 7,338.51 × 3,079.81
  4. Step 4: Simplify right side
    5,317.23x = 22,601,198.14
  5. Step 5: Solve for x
    x = 22,601,198.14/5,317.23
  6. Step 6: Final answer
    x = 4,250.56

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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.