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Finding the Fourth Proportional to 3,507.54, 4,840.64 and 1,935.64

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Solution

The fourth proportional to 3,507.54, 4,840.64 and 1,935.64 is: 2,671.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.54 : 4,840.64 = 1,935.64 : x
  2. Step 2: Convert to fraction form
    3,507.54/4,840.64 = 1,935.64/x
  3. Step 3: Cross multiply
    3,507.54x = 4,840.64 × 1,935.64
  4. Step 4: Simplify right side
    3,507.54x = 9,369,736.41
  5. Step 5: Solve for x
    x = 9,369,736.41/3,507.54
  6. Step 6: Final answer
    x = 2,671.31

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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.