Home / 5,338.84-7,366.44-2,980.90

Finding the Fourth Proportional to 5,338.84, 7,366.44 and 2,980.90

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Solution

The fourth proportional to 5,338.84, 7,366.44 and 2,980.90 is: 4,112.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.84 : 7,366.44 = 2,980.90 : x
  2. Step 2: Convert to fraction form
    5,338.84/7,366.44 = 2,980.90/x
  3. Step 3: Cross multiply
    5,338.84x = 7,366.44 × 2,980.90
  4. Step 4: Simplify right side
    5,338.84x = 21,958,621.00
  5. Step 5: Solve for x
    x = 21,958,621.00/5,338.84
  6. Step 6: Final answer
    x = 4,112.99

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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.