Home / 3,535.28-4,878.90-1,963.37

Finding the Fourth Proportional to 3,535.28, 4,878.90 and 1,963.37

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Solution

The fourth proportional to 3,535.28, 4,878.90 and 1,963.37 is: 2,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.28 : 4,878.90 = 1,963.37 : x
  2. Step 2: Convert to fraction form
    3,535.28/4,878.90 = 1,963.37/x
  3. Step 3: Cross multiply
    3,535.28x = 4,878.90 × 1,963.37
  4. Step 4: Simplify right side
    3,535.28x = 9,579,061.50
  5. Step 5: Solve for x
    x = 9,579,061.50/3,535.28
  6. Step 6: Final answer
    x = 2,709.57

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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.