Home / 4,779.14-7,169.55-2,182.34

Finding the Fourth Proportional to 4,779.14, 7,169.55 and 2,182.34

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Solution

The fourth proportional to 4,779.14, 7,169.55 and 2,182.34 is: 3,273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.14 : 7,169.55 = 2,182.34 : x
  2. Step 2: Convert to fraction form
    4,779.14/7,169.55 = 2,182.34/x
  3. Step 3: Cross multiply
    4,779.14x = 7,169.55 × 2,182.34
  4. Step 4: Simplify right side
    4,779.14x = 15,646,395.75
  5. Step 5: Solve for x
    x = 15,646,395.75/4,779.14
  6. Step 6: Final answer
    x = 3,273.89

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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.