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Finding the Fourth Proportional to 4,287.92, 5,918.57 and 2,495.81

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Solution

The fourth proportional to 4,287.92, 5,918.57 and 2,495.81 is: 3,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.92 : 5,918.57 = 2,495.81 : x
  2. Step 2: Convert to fraction form
    4,287.92/5,918.57 = 2,495.81/x
  3. Step 3: Cross multiply
    4,287.92x = 5,918.57 × 2,495.81
  4. Step 4: Simplify right side
    4,287.92x = 14,771,584.12
  5. Step 5: Solve for x
    x = 14,771,584.12/4,287.92
  6. Step 6: Final answer
    x = 3,444.93

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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.