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Finding the Fourth Proportional to 3,507.84, 4,840.48 and 1,935.84

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Solution

The fourth proportional to 3,507.84, 4,840.48 and 1,935.84 is: 2,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.84 : 4,840.48 = 1,935.84 : x
  2. Step 2: Convert to fraction form
    3,507.84/4,840.48 = 1,935.84/x
  3. Step 3: Cross multiply
    3,507.84x = 4,840.48 × 1,935.84
  4. Step 4: Simplify right side
    3,507.84x = 9,370,394.80
  5. Step 5: Solve for x
    x = 9,370,394.80/3,507.84
  6. Step 6: Final answer
    x = 2,671.27

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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.