Home / 4,777.21-6,592.85-3,181.11

Finding the Fourth Proportional to 4,777.21, 6,592.85 and 3,181.11

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Solution

The fourth proportional to 4,777.21, 6,592.85 and 3,181.11 is: 4,390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.21 : 6,592.85 = 3,181.11 : x
  2. Step 2: Convert to fraction form
    4,777.21/6,592.85 = 3,181.11/x
  3. Step 3: Cross multiply
    4,777.21x = 6,592.85 × 3,181.11
  4. Step 4: Simplify right side
    4,777.21x = 20,972,581.06
  5. Step 5: Solve for x
    x = 20,972,581.06/4,777.21
  6. Step 6: Final answer
    x = 4,390.13

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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.