Home / 3,528.74-4,869.80-2,016.42

Finding the Fourth Proportional to 3,528.74, 4,869.80 and 2,016.42

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Solution

The fourth proportional to 3,528.74, 4,869.80 and 2,016.42 is: 2,782.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.74 : 4,869.80 = 2,016.42 : x
  2. Step 2: Convert to fraction form
    3,528.74/4,869.80 = 2,016.42/x
  3. Step 3: Cross multiply
    3,528.74x = 4,869.80 × 2,016.42
  4. Step 4: Simplify right side
    3,528.74x = 9,819,562.12
  5. Step 5: Solve for x
    x = 9,819,562.12/3,528.74
  6. Step 6: Final answer
    x = 2,782.74

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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.