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Finding the Fourth Proportional to 5,262.16, 7,895.76 and 2,490.16

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Solution

The fourth proportional to 5,262.16, 7,895.76 and 2,490.16 is: 3,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.16 : 7,895.76 = 2,490.16 : x
  2. Step 2: Convert to fraction form
    5,262.16/7,895.76 = 2,490.16/x
  3. Step 3: Cross multiply
    5,262.16x = 7,895.76 × 2,490.16
  4. Step 4: Simplify right side
    5,262.16x = 19,661,705.72
  5. Step 5: Solve for x
    x = 19,661,705.72/5,262.16
  6. Step 6: Final answer
    x = 3,736.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.