Home / 6,251.58-9,378.72-1,869.42

Finding the Fourth Proportional to 6,251.58, 9,378.72 and 1,869.42

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Solution

The fourth proportional to 6,251.58, 9,378.72 and 1,869.42 is: 2,804.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.58 : 9,378.72 = 1,869.42 : x
  2. Step 2: Convert to fraction form
    6,251.58/9,378.72 = 1,869.42/x
  3. Step 3: Cross multiply
    6,251.58x = 9,378.72 × 1,869.42
  4. Step 4: Simplify right side
    6,251.58x = 17,532,766.74
  5. Step 5: Solve for x
    x = 17,532,766.74/6,251.58
  6. Step 6: Final answer
    x = 2,804.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.