Home / 3,300.28-4,554.36-1,903

Finding the Fourth Proportional to 3,300.28, 4,554.36 and 1,903

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Solution

The fourth proportional to 3,300.28, 4,554.36 and 1,903 is: 2,626.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.28 : 4,554.36 = 1,903 : x
  2. Step 2: Convert to fraction form
    3,300.28/4,554.36 = 1,903/x
  3. Step 3: Cross multiply
    3,300.28x = 4,554.36 × 1,903
  4. Step 4: Simplify right side
    3,300.28x = 8,666,947.08
  5. Step 5: Solve for x
    x = 8,666,947.08/3,300.28
  6. Step 6: Final answer
    x = 2,626.12

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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.