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Finding the Fourth Proportional to 5,152.99, 7,111.09 and 2,795.13

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Solution

The fourth proportional to 5,152.99, 7,111.09 and 2,795.13 is: 3,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.99 : 7,111.09 = 2,795.13 : x
  2. Step 2: Convert to fraction form
    5,152.99/7,111.09 = 2,795.13/x
  3. Step 3: Cross multiply
    5,152.99x = 7,111.09 × 2,795.13
  4. Step 4: Simplify right side
    5,152.99x = 19,876,420.99
  5. Step 5: Solve for x
    x = 19,876,420.99/5,152.99
  6. Step 6: Final answer
    x = 3,857.26

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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.