Home / 3,485.10-5,227.65-3,053.10

Finding the Fourth Proportional to 3,485.10, 5,227.65 and 3,053.10

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Solution

The fourth proportional to 3,485.10, 5,227.65 and 3,053.10 is: 4,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.10 : 5,227.65 = 3,053.10 : x
  2. Step 2: Convert to fraction form
    3,485.10/5,227.65 = 3,053.10/x
  3. Step 3: Cross multiply
    3,485.10x = 5,227.65 × 3,053.10
  4. Step 4: Simplify right side
    3,485.10x = 15,960,538.22
  5. Step 5: Solve for x
    x = 15,960,538.22/3,485.10
  6. Step 6: Final answer
    x = 4,579.65

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Half scale
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Double scale
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Similar ratio
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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.