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Finding the Fourth Proportional to 4,341, 5,990.94 and 2,478.36

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Solution

The fourth proportional to 4,341, 5,990.94 and 2,478.36 is: 3,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,341 : 5,990.94 = 2,478.36 : x
  2. Step 2: Convert to fraction form
    4,341/5,990.94 = 2,478.36/x
  3. Step 3: Cross multiply
    4,341x = 5,990.94 × 2,478.36
  4. Step 4: Simplify right side
    4,341x = 14,847,706.06
  5. Step 5: Solve for x
    x = 14,847,706.06/4,341
  6. Step 6: Final answer
    x = 3,420.34

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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.