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Finding the Fourth Proportional to 2,703.58, 3,729.09 and 1,656.16

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Solution

The fourth proportional to 2,703.58, 3,729.09 and 1,656.16 is: 2,284.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.58 : 3,729.09 = 1,656.16 : x
  2. Step 2: Convert to fraction form
    2,703.58/3,729.09 = 1,656.16/x
  3. Step 3: Cross multiply
    2,703.58x = 3,729.09 × 1,656.16
  4. Step 4: Simplify right side
    2,703.58x = 6,175,969.69
  5. Step 5: Solve for x
    x = 6,175,969.69/2,703.58
  6. Step 6: Final answer
    x = 2,284.37

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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.