Home / 4,233.20-6,349.80-4,160.30

Finding the Fourth Proportional to 4,233.20, 6,349.80 and 4,160.30

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Solution

The fourth proportional to 4,233.20, 6,349.80 and 4,160.30 is: 6,240.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,233.20 : 6,349.80 = 4,160.30 : x
  2. Step 2: Convert to fraction form
    4,233.20/6,349.80 = 4,160.30/x
  3. Step 3: Cross multiply
    4,233.20x = 6,349.80 × 4,160.30
  4. Step 4: Simplify right side
    4,233.20x = 26,417,072.94
  5. Step 5: Solve for x
    x = 26,417,072.94/4,233.20
  6. Step 6: Final answer
    x = 6,240.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.