Home / 3,176.56-4,383.36-1,779.04

Finding the Fourth Proportional to 3,176.56, 4,383.36 and 1,779.04

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Solution

The fourth proportional to 3,176.56, 4,383.36 and 1,779.04 is: 2,454.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.56 : 4,383.36 = 1,779.04 : x
  2. Step 2: Convert to fraction form
    3,176.56/4,383.36 = 1,779.04/x
  3. Step 3: Cross multiply
    3,176.56x = 4,383.36 × 1,779.04
  4. Step 4: Simplify right side
    3,176.56x = 7,798,172.77
  5. Step 5: Solve for x
    x = 7,798,172.77/3,176.56
  6. Step 6: Final answer
    x = 2,454.91

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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.