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Finding the Fourth Proportional to 5,697.73, 7,860.76 and 3,339.01

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Solution

The fourth proportional to 5,697.73, 7,860.76 and 3,339.01 is: 4,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.73 : 7,860.76 = 3,339.01 : x
  2. Step 2: Convert to fraction form
    5,697.73/7,860.76 = 3,339.01/x
  3. Step 3: Cross multiply
    5,697.73x = 7,860.76 × 3,339.01
  4. Step 4: Simplify right side
    5,697.73x = 26,247,156.25
  5. Step 5: Solve for x
    x = 26,247,156.25/5,697.73
  6. Step 6: Final answer
    x = 4,606.60

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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.