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Finding the Fourth Proportional to 5,657.18, 7,803.96 and 3,666.74

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Solution

The fourth proportional to 5,657.18, 7,803.96 and 3,666.74 is: 5,058.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.18 : 7,803.96 = 3,666.74 : x
  2. Step 2: Convert to fraction form
    5,657.18/7,803.96 = 3,666.74/x
  3. Step 3: Cross multiply
    5,657.18x = 7,803.96 × 3,666.74
  4. Step 4: Simplify right side
    5,657.18x = 28,615,092.29
  5. Step 5: Solve for x
    x = 28,615,092.29/5,657.18
  6. Step 6: Final answer
    x = 5,058.19

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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.