Home / 3,535.16-4,878.68-2,119.08

Finding the Fourth Proportional to 3,535.16, 4,878.68 and 2,119.08

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Solution

The fourth proportional to 3,535.16, 4,878.68 and 2,119.08 is: 2,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.16 : 4,878.68 = 2,119.08 : x
  2. Step 2: Convert to fraction form
    3,535.16/4,878.68 = 2,119.08/x
  3. Step 3: Cross multiply
    3,535.16x = 4,878.68 × 2,119.08
  4. Step 4: Simplify right side
    3,535.16x = 10,338,305.39
  5. Step 5: Solve for x
    x = 10,338,305.39/3,535.16
  6. Step 6: Final answer
    x = 2,924.42

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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.