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Finding the Fourth Proportional to 3,506.91, 4,839.54 and 1,935

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Solution

The fourth proportional to 3,506.91, 4,839.54 and 1,935 is: 2,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.91 : 4,839.54 = 1,935 : x
  2. Step 2: Convert to fraction form
    3,506.91/4,839.54 = 1,935/x
  3. Step 3: Cross multiply
    3,506.91x = 4,839.54 × 1,935
  4. Step 4: Simplify right side
    3,506.91x = 9,364,509.90
  5. Step 5: Solve for x
    x = 9,364,509.90/3,506.91
  6. Step 6: Final answer
    x = 2,670.30

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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.