Home / 4,947.84-6,816.45-3,453.12

Finding the Fourth Proportional to 4,947.84, 6,816.45 and 3,453.12

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Solution

The fourth proportional to 4,947.84, 6,816.45 and 3,453.12 is: 4,757.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.84 : 6,816.45 = 3,453.12 : x
  2. Step 2: Convert to fraction form
    4,947.84/6,816.45 = 3,453.12/x
  3. Step 3: Cross multiply
    4,947.84x = 6,816.45 × 3,453.12
  4. Step 4: Simplify right side
    4,947.84x = 23,538,019.82
  5. Step 5: Solve for x
    x = 23,538,019.82/4,947.84
  6. Step 6: Final answer
    x = 4,757.23

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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.