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Finding the Fourth Proportional to 5,283.54, 7,922.70 and 1,772.34

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Solution

The fourth proportional to 5,283.54, 7,922.70 and 1,772.34 is: 2,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.54 : 7,922.70 = 1,772.34 : x
  2. Step 2: Convert to fraction form
    5,283.54/7,922.70 = 1,772.34/x
  3. Step 3: Cross multiply
    5,283.54x = 7,922.70 × 1,772.34
  4. Step 4: Simplify right side
    5,283.54x = 14,041,718.12
  5. Step 5: Solve for x
    x = 14,041,718.12/5,283.54
  6. Step 6: Final answer
    x = 2,657.63

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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.