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Finding the Fourth Proportional to 3,507.73, 4,840.60 and 1,914.32

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Solution

The fourth proportional to 3,507.73, 4,840.60 and 1,914.32 is: 2,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.73 : 4,840.60 = 1,914.32 : x
  2. Step 2: Convert to fraction form
    3,507.73/4,840.60 = 1,914.32/x
  3. Step 3: Cross multiply
    3,507.73x = 4,840.60 × 1,914.32
  4. Step 4: Simplify right side
    3,507.73x = 9,266,457.39
  5. Step 5: Solve for x
    x = 9,266,457.39/3,507.73
  6. Step 6: Final answer
    x = 2,641.72

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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.