Home / 3,535.12-4,878.43-1,963.11

Finding the Fourth Proportional to 3,535.12, 4,878.43 and 1,963.11

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Solution

The fourth proportional to 3,535.12, 4,878.43 and 1,963.11 is: 2,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.12 : 4,878.43 = 1,963.11 : x
  2. Step 2: Convert to fraction form
    3,535.12/4,878.43 = 1,963.11/x
  3. Step 3: Cross multiply
    3,535.12x = 4,878.43 × 1,963.11
  4. Step 4: Simplify right side
    3,535.12x = 9,576,894.72
  5. Step 5: Solve for x
    x = 9,576,894.72/3,535.12
  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.