Home / 5,538.26-7,646.39-4,277.09

Finding the Fourth Proportional to 5,538.26, 7,646.39 and 4,277.09

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Solution

The fourth proportional to 5,538.26, 7,646.39 and 4,277.09 is: 5,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.26 : 7,646.39 = 4,277.09 : x
  2. Step 2: Convert to fraction form
    5,538.26/7,646.39 = 4,277.09/x
  3. Step 3: Cross multiply
    5,538.26x = 7,646.39 × 4,277.09
  4. Step 4: Simplify right side
    5,538.26x = 32,704,270.67
  5. Step 5: Solve for x
    x = 32,704,270.67/5,538.26
  6. Step 6: Final answer
    x = 5,905.16

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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.