Home / 3,535.43-4,878.87-1,963.53

Finding the Fourth Proportional to 3,535.43, 4,878.87 and 1,963.53

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Solution

The fourth proportional to 3,535.43, 4,878.87 and 1,963.53 is: 2,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.43 : 4,878.87 = 1,963.53 : x
  2. Step 2: Convert to fraction form
    3,535.43/4,878.87 = 1,963.53/x
  3. Step 3: Cross multiply
    3,535.43x = 4,878.87 × 1,963.53
  4. Step 4: Simplify right side
    3,535.43x = 9,579,807.61
  5. Step 5: Solve for x
    x = 9,579,807.61/3,535.43
  6. Step 6: Final answer
    x = 2,709.66

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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.