Home / 4,190.16-5,779.44-2,617.68

Finding the Fourth Proportional to 4,190.16, 5,779.44 and 2,617.68

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Solution

The fourth proportional to 4,190.16, 5,779.44 and 2,617.68 is: 3,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.16 : 5,779.44 = 2,617.68 : x
  2. Step 2: Convert to fraction form
    4,190.16/5,779.44 = 2,617.68/x
  3. Step 3: Cross multiply
    4,190.16x = 5,779.44 × 2,617.68
  4. Step 4: Simplify right side
    4,190.16x = 15,128,724.50
  5. Step 5: Solve for x
    x = 15,128,724.50/4,190.16
  6. Step 6: Final answer
    x = 3,610.54

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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.