Home / 3,556.04-4,906.50-2,158.52

Finding the Fourth Proportional to 3,556.04, 4,906.50 and 2,158.52

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Solution

The fourth proportional to 3,556.04, 4,906.50 and 2,158.52 is: 2,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.04 : 4,906.50 = 2,158.52 : x
  2. Step 2: Convert to fraction form
    3,556.04/4,906.50 = 2,158.52/x
  3. Step 3: Cross multiply
    3,556.04x = 4,906.50 × 2,158.52
  4. Step 4: Simplify right side
    3,556.04x = 10,590,778.38
  5. Step 5: Solve for x
    x = 10,590,778.38/3,556.04
  6. Step 6: Final answer
    x = 2,978.25

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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.