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Finding the Fourth Proportional to 2,695.91, 4,043.84 and 1,053.60

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Solution

The fourth proportional to 2,695.91, 4,043.84 and 1,053.60 is: 1,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.91 : 4,043.84 = 1,053.60 : x
  2. Step 2: Convert to fraction form
    2,695.91/4,043.84 = 1,053.60/x
  3. Step 3: Cross multiply
    2,695.91x = 4,043.84 × 1,053.60
  4. Step 4: Simplify right side
    2,695.91x = 4,260,569.39
  5. Step 5: Solve for x
    x = 4,260,569.39/2,695.91
  6. Step 6: Final answer
    x = 1,580.39

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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.