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Finding the Fourth Proportional to 3,159.58, 4,740.57 and 2,797.48

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Solution

The fourth proportional to 3,159.58, 4,740.57 and 2,797.48 is: 4,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.58 : 4,740.57 = 2,797.48 : x
  2. Step 2: Convert to fraction form
    3,159.58/4,740.57 = 2,797.48/x
  3. Step 3: Cross multiply
    3,159.58x = 4,740.57 × 2,797.48
  4. Step 4: Simplify right side
    3,159.58x = 13,261,649.76
  5. Step 5: Solve for x
    x = 13,261,649.76/3,159.58
  6. Step 6: Final answer
    x = 4,197.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.