Home / 5,179.60-7,145.04-3,083.32

Finding the Fourth Proportional to 5,179.60, 7,145.04 and 3,083.32

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Solution

The fourth proportional to 5,179.60, 7,145.04 and 3,083.32 is: 4,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.60 : 7,145.04 = 3,083.32 : x
  2. Step 2: Convert to fraction form
    5,179.60/7,145.04 = 3,083.32/x
  3. Step 3: Cross multiply
    5,179.60x = 7,145.04 × 3,083.32
  4. Step 4: Simplify right side
    5,179.60x = 22,030,444.73
  5. Step 5: Solve for x
    x = 22,030,444.73/5,179.60
  6. Step 6: Final answer
    x = 4,253.31

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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.