Home / 3,506.69-4,839.11-1,934.75

Finding the Fourth Proportional to 3,506.69, 4,839.11 and 1,934.75

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Solution

The fourth proportional to 3,506.69, 4,839.11 and 1,934.75 is: 2,669.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.69 : 4,839.11 = 1,934.75 : x
  2. Step 2: Convert to fraction form
    3,506.69/4,839.11 = 1,934.75/x
  3. Step 3: Cross multiply
    3,506.69x = 4,839.11 × 1,934.75
  4. Step 4: Simplify right side
    3,506.69x = 9,362,477.75
  5. Step 5: Solve for x
    x = 9,362,477.75/3,506.69
  6. Step 6: Final answer
    x = 2,669.89

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.