Home / 4,442.04-6,128.09-2,553.20

Finding the Fourth Proportional to 4,442.04, 6,128.09 and 2,553.20

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Solution

The fourth proportional to 4,442.04, 6,128.09 and 2,553.20 is: 3,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.04 : 6,128.09 = 2,553.20 : x
  2. Step 2: Convert to fraction form
    4,442.04/6,128.09 = 2,553.20/x
  3. Step 3: Cross multiply
    4,442.04x = 6,128.09 × 2,553.20
  4. Step 4: Simplify right side
    4,442.04x = 15,646,195.98
  5. Step 5: Solve for x
    x = 15,646,195.98/4,442.04
  6. Step 6: Final answer
    x = 3,522.30

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Half scale
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Double 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.