Home / 5,203.81-7,181.58-3,080.98

Finding the Fourth Proportional to 5,203.81, 7,181.58 and 3,080.98

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Solution

The fourth proportional to 5,203.81, 7,181.58 and 3,080.98 is: 4,251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.81 : 7,181.58 = 3,080.98 : x
  2. Step 2: Convert to fraction form
    5,203.81/7,181.58 = 3,080.98/x
  3. Step 3: Cross multiply
    5,203.81x = 7,181.58 × 3,080.98
  4. Step 4: Simplify right side
    5,203.81x = 22,126,304.35
  5. Step 5: Solve for x
    x = 22,126,304.35/5,203.81
  6. Step 6: Final answer
    x = 4,251.94

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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.