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Finding the Fourth Proportional to 3,503.34, 5,258.07 and 1,424.48

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Solution

The fourth proportional to 3,503.34, 5,258.07 and 1,424.48 is: 2,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.34 : 5,258.07 = 1,424.48 : x
  2. Step 2: Convert to fraction form
    3,503.34/5,258.07 = 1,424.48/x
  3. Step 3: Cross multiply
    3,503.34x = 5,258.07 × 1,424.48
  4. Step 4: Simplify right side
    3,503.34x = 7,489,989.26
  5. Step 5: Solve for x
    x = 7,489,989.26/3,503.34
  6. Step 6: Final answer
    x = 2,137.96

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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.