Home / 3,535.66-4,878.98-1,963.74

Finding the Fourth Proportional to 3,535.66, 4,878.98 and 1,963.74

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Solution

The fourth proportional to 3,535.66, 4,878.98 and 1,963.74 is: 2,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.66 : 4,878.98 = 1,963.74 : x
  2. Step 2: Convert to fraction form
    3,535.66/4,878.98 = 1,963.74/x
  3. Step 3: Cross multiply
    3,535.66x = 4,878.98 × 1,963.74
  4. Step 4: Simplify right side
    3,535.66x = 9,581,048.19
  5. Step 5: Solve for x
    x = 9,581,048.19/3,535.66
  6. Step 6: Final answer
    x = 2,709.83

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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.