Home / 3,535.65-4,878.36-2,277.09

Finding the Fourth Proportional to 3,535.65, 4,878.36 and 2,277.09

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Solution

The fourth proportional to 3,535.65, 4,878.36 and 2,277.09 is: 3,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.65 : 4,878.36 = 2,277.09 : x
  2. Step 2: Convert to fraction form
    3,535.65/4,878.36 = 2,277.09/x
  3. Step 3: Cross multiply
    3,535.65x = 4,878.36 × 2,277.09
  4. Step 4: Simplify right side
    3,535.65x = 11,108,464.77
  5. Step 5: Solve for x
    x = 11,108,464.77/3,535.65
  6. Step 6: Final answer
    x = 3,141.85

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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.