Home / 2,799.19-4,190.27-1,867.28

Finding the Fourth Proportional to 2,799.19, 4,190.27 and 1,867.28

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Solution

The fourth proportional to 2,799.19, 4,190.27 and 1,867.28 is: 2,795.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.19 : 4,190.27 = 1,867.28 : x
  2. Step 2: Convert to fraction form
    2,799.19/4,190.27 = 1,867.28/x
  3. Step 3: Cross multiply
    2,799.19x = 4,190.27 × 1,867.28
  4. Step 4: Simplify right side
    2,799.19x = 7,824,408.50
  5. Step 5: Solve for x
    x = 7,824,408.50/2,799.19
  6. Step 6: Final answer
    x = 2,795.24

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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.