Home / 4,905.52-6,767.60-2,808.48

Finding the Fourth Proportional to 4,905.52, 6,767.60 and 2,808.48

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Solution

The fourth proportional to 4,905.52, 6,767.60 and 2,808.48 is: 3,874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.52 : 6,767.60 = 2,808.48 : x
  2. Step 2: Convert to fraction form
    4,905.52/6,767.60 = 2,808.48/x
  3. Step 3: Cross multiply
    4,905.52x = 6,767.60 × 2,808.48
  4. Step 4: Simplify right side
    4,905.52x = 19,006,669.25
  5. Step 5: Solve for x
    x = 19,006,669.25/4,905.52
  6. Step 6: Final answer
    x = 3,874.55

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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.