Home / 5,905.42-8,150.38-4,486.79

Finding the Fourth Proportional to 5,905.42, 8,150.38 and 4,486.79

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Solution

The fourth proportional to 5,905.42, 8,150.38 and 4,486.79 is: 6,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.42 : 8,150.38 = 4,486.79 : x
  2. Step 2: Convert to fraction form
    5,905.42/8,150.38 = 4,486.79/x
  3. Step 3: Cross multiply
    5,905.42x = 8,150.38 × 4,486.79
  4. Step 4: Simplify right side
    5,905.42x = 36,569,052.64
  5. Step 5: Solve for x
    x = 36,569,052.64/5,905.42
  6. Step 6: Final answer
    x = 6,192.46

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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.