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Finding the Fourth Proportional to 3,157.36, 4,736.04 and 2,698.24

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Solution

The fourth proportional to 3,157.36, 4,736.04 and 2,698.24 is: 4,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.36 : 4,736.04 = 2,698.24 : x
  2. Step 2: Convert to fraction form
    3,157.36/4,736.04 = 2,698.24/x
  3. Step 3: Cross multiply
    3,157.36x = 4,736.04 × 2,698.24
  4. Step 4: Simplify right side
    3,157.36x = 12,778,972.57
  5. Step 5: Solve for x
    x = 12,778,972.57/3,157.36
  6. Step 6: Final answer
    x = 4,047.36

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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.