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Finding the Fourth Proportional to 1,973.74, 2,723.72 and 1,134.44

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Solution

The fourth proportional to 1,973.74, 2,723.72 and 1,134.44 is: 1,565.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.74 : 2,723.72 = 1,134.44 : x
  2. Step 2: Convert to fraction form
    1,973.74/2,723.72 = 1,134.44/x
  3. Step 3: Cross multiply
    1,973.74x = 2,723.72 × 1,134.44
  4. Step 4: Simplify right side
    1,973.74x = 3,089,896.92
  5. Step 5: Solve for x
    x = 3,089,896.92/1,973.74
  6. Step 6: Final answer
    x = 1,565.50

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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.