Home / 4,005.03-5,521.38-3,451.40

Finding the Fourth Proportional to 4,005.03, 5,521.38 and 3,451.40

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Solution

The fourth proportional to 4,005.03, 5,521.38 and 3,451.40 is: 4,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.03 : 5,521.38 = 3,451.40 : x
  2. Step 2: Convert to fraction form
    4,005.03/5,521.38 = 3,451.40/x
  3. Step 3: Cross multiply
    4,005.03x = 5,521.38 × 3,451.40
  4. Step 4: Simplify right side
    4,005.03x = 19,056,496.97
  5. Step 5: Solve for x
    x = 19,056,496.97/4,005.03
  6. Step 6: Final answer
    x = 4,758.14

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Half scale
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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.