Home / 3,528.68-4,869.42-2,036.86

Finding the Fourth Proportional to 3,528.68, 4,869.42 and 2,036.86

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Solution

The fourth proportional to 3,528.68, 4,869.42 and 2,036.86 is: 2,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.68 : 4,869.42 = 2,036.86 : x
  2. Step 2: Convert to fraction form
    3,528.68/4,869.42 = 2,036.86/x
  3. Step 3: Cross multiply
    3,528.68x = 4,869.42 × 2,036.86
  4. Step 4: Simplify right side
    3,528.68x = 9,918,326.82
  5. Step 5: Solve for x
    x = 9,918,326.82/3,528.68
  6. Step 6: Final answer
    x = 2,810.78

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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.