Home / 3,535.08-4,878.34-1,963.12

Finding the Fourth Proportional to 3,535.08, 4,878.34 and 1,963.12

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Solution

The fourth proportional to 3,535.08, 4,878.34 and 1,963.12 is: 2,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.08 : 4,878.34 = 1,963.12 : x
  2. Step 2: Convert to fraction form
    3,535.08/4,878.34 = 1,963.12/x
  3. Step 3: Cross multiply
    3,535.08x = 4,878.34 × 1,963.12
  4. Step 4: Simplify right side
    3,535.08x = 9,576,766.82
  5. Step 5: Solve for x
    x = 9,576,766.82/3,535.08
  6. Step 6: Final answer
    x = 2,709.07

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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.