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Finding the Fourth Proportional to 2,995.90, 4,516.27 and 2,795.20

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Solution

The fourth proportional to 2,995.90, 4,516.27 and 2,795.20 is: 4,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.90 : 4,516.27 = 2,795.20 : x
  2. Step 2: Convert to fraction form
    2,995.90/4,516.27 = 2,795.20/x
  3. Step 3: Cross multiply
    2,995.90x = 4,516.27 × 2,795.20
  4. Step 4: Simplify right side
    2,995.90x = 12,623,859.63
  5. Step 5: Solve for x
    x = 12,623,859.63/2,995.90
  6. Step 6: Final answer
    x = 4,213.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.