Home / 5,179.42-7,177.81-5,080.96

Finding the Fourth Proportional to 5,179.42, 7,177.81 and 5,080.96

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Solution

The fourth proportional to 5,179.42, 7,177.81 and 5,080.96 is: 7,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.42 : 7,177.81 = 5,080.96 : x
  2. Step 2: Convert to fraction form
    5,179.42/7,177.81 = 5,080.96/x
  3. Step 3: Cross multiply
    5,179.42x = 7,177.81 × 5,080.96
  4. Step 4: Simplify right side
    5,179.42x = 36,470,165.50
  5. Step 5: Solve for x
    x = 36,470,165.50/5,179.42
  6. Step 6: Final answer
    x = 7,041.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.