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Finding the Fourth Proportional to 5,343.74, 7,374.48 and 2,953.73

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Solution

The fourth proportional to 5,343.74, 7,374.48 and 2,953.73 is: 4,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.74 : 7,374.48 = 2,953.73 : x
  2. Step 2: Convert to fraction form
    5,343.74/7,374.48 = 2,953.73/x
  3. Step 3: Cross multiply
    5,343.74x = 7,374.48 × 2,953.73
  4. Step 4: Simplify right side
    5,343.74x = 21,782,222.81
  5. Step 5: Solve for x
    x = 21,782,222.81/5,343.74
  6. Step 6: Final answer
    x = 4,076.21

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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.