Home / 4,808.36-6,635.40-2,712.92

Finding the Fourth Proportional to 4,808.36, 6,635.40 and 2,712.92

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Solution

The fourth proportional to 4,808.36, 6,635.40 and 2,712.92 is: 3,743.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.36 : 6,635.40 = 2,712.92 : x
  2. Step 2: Convert to fraction form
    4,808.36/6,635.40 = 2,712.92/x
  3. Step 3: Cross multiply
    4,808.36x = 6,635.40 × 2,712.92
  4. Step 4: Simplify right side
    4,808.36x = 18,001,309.37
  5. Step 5: Solve for x
    x = 18,001,309.37/4,808.36
  6. Step 6: Final answer
    x = 3,743.75

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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.