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Finding the Fourth Proportional to 2,957.58, 4,080.15 and 2,073.06

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Solution

The fourth proportional to 2,957.58, 4,080.15 and 2,073.06 is: 2,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.58 : 4,080.15 = 2,073.06 : x
  2. Step 2: Convert to fraction form
    2,957.58/4,080.15 = 2,073.06/x
  3. Step 3: Cross multiply
    2,957.58x = 4,080.15 × 2,073.06
  4. Step 4: Simplify right side
    2,957.58x = 8,458,395.76
  5. Step 5: Solve for x
    x = 8,458,395.76/2,957.58
  6. Step 6: Final answer
    x = 2,859.90

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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.