Home / 5,317.82-7,338.48-3,080.10

Finding the Fourth Proportional to 5,317.82, 7,338.48 and 3,080.10

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Solution

The fourth proportional to 5,317.82, 7,338.48 and 3,080.10 is: 4,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.82 : 7,338.48 = 3,080.10 : x
  2. Step 2: Convert to fraction form
    5,317.82/7,338.48 = 3,080.10/x
  3. Step 3: Cross multiply
    5,317.82x = 7,338.48 × 3,080.10
  4. Step 4: Simplify right side
    5,317.82x = 22,603,252.25
  5. Step 5: Solve for x
    x = 22,603,252.25/5,317.82
  6. Step 6: Final answer
    x = 4,250.47

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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.