Home / 5,100.14-7,650.84-1,637.48

Finding the Fourth Proportional to 5,100.14, 7,650.84 and 1,637.48

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Solution

The fourth proportional to 5,100.14, 7,650.84 and 1,637.48 is: 2,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.14 : 7,650.84 = 1,637.48 : x
  2. Step 2: Convert to fraction form
    5,100.14/7,650.84 = 1,637.48/x
  3. Step 3: Cross multiply
    5,100.14x = 7,650.84 × 1,637.48
  4. Step 4: Simplify right side
    5,100.14x = 12,528,097.48
  5. Step 5: Solve for x
    x = 12,528,097.48/5,100.14
  6. Step 6: Final answer
    x = 2,456.42

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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.