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Finding the Fourth Proportional to 5,927.47, 8,173.78 and 5,090.95

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Solution

The fourth proportional to 5,927.47, 8,173.78 and 5,090.95 is: 7,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,927.47 : 8,173.78 = 5,090.95 : x
  2. Step 2: Convert to fraction form
    5,927.47/8,173.78 = 5,090.95/x
  3. Step 3: Cross multiply
    5,927.47x = 8,173.78 × 5,090.95
  4. Step 4: Simplify right side
    5,927.47x = 41,612,305.29
  5. Step 5: Solve for x
    x = 41,612,305.29/5,927.47
  6. Step 6: Final answer
    x = 7,020.25

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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.