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Finding the Fourth Proportional to 3,398.76, 5,097.56 and 933

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Solution

The fourth proportional to 3,398.76, 5,097.56 and 933 is: 1,399.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.76 : 5,097.56 = 933 : x
  2. Step 2: Convert to fraction form
    3,398.76/5,097.56 = 933/x
  3. Step 3: Cross multiply
    3,398.76x = 5,097.56 × 933
  4. Step 4: Simplify right side
    3,398.76x = 4,756,025.81
  5. Step 5: Solve for x
    x = 4,756,025.81/3,398.76
  6. Step 6: Final answer
    x = 1,399.34

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.