Home / 6,133.10-8,465.31-3,777.21

Finding the Fourth Proportional to 6,133.10, 8,465.31 and 3,777.21

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Solution

The fourth proportional to 6,133.10, 8,465.31 and 3,777.21 is: 5,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,133.10 : 8,465.31 = 3,777.21 : x
  2. Step 2: Convert to fraction form
    6,133.10/8,465.31 = 3,777.21/x
  3. Step 3: Cross multiply
    6,133.10x = 8,465.31 × 3,777.21
  4. Step 4: Simplify right side
    6,133.10x = 31,975,253.59
  5. Step 5: Solve for x
    x = 31,975,253.59/6,133.10
  6. Step 6: Final answer
    x = 5,213.56

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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.