Home / 3,528.59-4,869.68-2,036.78

Finding the Fourth Proportional to 3,528.59, 4,869.68 and 2,036.78

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Solution

The fourth proportional to 3,528.59, 4,869.68 and 2,036.78 is: 2,810.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.59 : 4,869.68 = 2,036.78 : x
  2. Step 2: Convert to fraction form
    3,528.59/4,869.68 = 2,036.78/x
  3. Step 3: Cross multiply
    3,528.59x = 4,869.68 × 2,036.78
  4. Step 4: Simplify right side
    3,528.59x = 9,918,456.65
  5. Step 5: Solve for x
    x = 9,918,456.65/3,528.59
  6. Step 6: Final answer
    x = 2,810.88

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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.