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Finding the Fourth Proportional to 3,602.59, 5,400.35 and 1,726.32

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Solution

The fourth proportional to 3,602.59, 5,400.35 and 1,726.32 is: 2,587.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.59 : 5,400.35 = 1,726.32 : x
  2. Step 2: Convert to fraction form
    3,602.59/5,400.35 = 1,726.32/x
  3. Step 3: Cross multiply
    3,602.59x = 5,400.35 × 1,726.32
  4. Step 4: Simplify right side
    3,602.59x = 9,322,732.21
  5. Step 5: Solve for x
    x = 9,322,732.21/3,602.59
  6. Step 6: Final answer
    x = 2,587.79

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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.