Home / 4,442.49-6,664.75-1,520.79

Finding the Fourth Proportional to 4,442.49, 6,664.75 and 1,520.79

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Solution

The fourth proportional to 4,442.49, 6,664.75 and 1,520.79 is: 2,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.49 : 6,664.75 = 1,520.79 : x
  2. Step 2: Convert to fraction form
    4,442.49/6,664.75 = 1,520.79/x
  3. Step 3: Cross multiply
    4,442.49x = 6,664.75 × 1,520.79
  4. Step 4: Simplify right side
    4,442.49x = 10,135,685.15
  5. Step 5: Solve for x
    x = 10,135,685.15/4,442.49
  6. Step 6: Final answer
    x = 2,281.53

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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.