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Finding the Fourth Proportional to 3,393.88, 4,679.28 and 2,598.18

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Solution

The fourth proportional to 3,393.88, 4,679.28 and 2,598.18 is: 3,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.88 : 4,679.28 = 2,598.18 : x
  2. Step 2: Convert to fraction form
    3,393.88/4,679.28 = 2,598.18/x
  3. Step 3: Cross multiply
    3,393.88x = 4,679.28 × 2,598.18
  4. Step 4: Simplify right side
    3,393.88x = 12,157,611.71
  5. Step 5: Solve for x
    x = 12,157,611.71/3,393.88
  6. Step 6: Final answer
    x = 3,582.22

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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.