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Finding the Fourth Proportional to 5,254.52, 7,880.05 and 1,922.00

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Solution

The fourth proportional to 5,254.52, 7,880.05 and 1,922.00 is: 2,882.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.52 : 7,880.05 = 1,922.00 : x
  2. Step 2: Convert to fraction form
    5,254.52/7,880.05 = 1,922.00/x
  3. Step 3: Cross multiply
    5,254.52x = 7,880.05 × 1,922.00
  4. Step 4: Simplify right side
    5,254.52x = 15,145,411.89
  5. Step 5: Solve for x
    x = 15,145,411.89/5,254.52
  6. Step 6: Final answer
    x = 2,882.36

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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.