Home / 4,195.96-5,788.36-2,779.28

Finding the Fourth Proportional to 4,195.96, 5,788.36 and 2,779.28

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Solution

The fourth proportional to 4,195.96, 5,788.36 and 2,779.28 is: 3,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.96 : 5,788.36 = 2,779.28 : x
  2. Step 2: Convert to fraction form
    4,195.96/5,788.36 = 2,779.28/x
  3. Step 3: Cross multiply
    4,195.96x = 5,788.36 × 2,779.28
  4. Step 4: Simplify right side
    4,195.96x = 16,087,473.18
  5. Step 5: Solve for x
    x = 16,087,473.18/4,195.96
  6. Step 6: Final answer
    x = 3,834.04

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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.