Home / 3,335.14-4,601.56-1,918.76

Finding the Fourth Proportional to 3,335.14, 4,601.56 and 1,918.76

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Solution

The fourth proportional to 3,335.14, 4,601.56 and 1,918.76 is: 2,647.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.14 : 4,601.56 = 1,918.76 : x
  2. Step 2: Convert to fraction form
    3,335.14/4,601.56 = 1,918.76/x
  3. Step 3: Cross multiply
    3,335.14x = 4,601.56 × 1,918.76
  4. Step 4: Simplify right side
    3,335.14x = 8,829,289.27
  5. Step 5: Solve for x
    x = 8,829,289.27/3,335.14
  6. Step 6: Final answer
    x = 2,647.35

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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.