Home / 3,636.02-5,455.11-1,556.21

Finding the Fourth Proportional to 3,636.02, 5,455.11 and 1,556.21

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Solution

The fourth proportional to 3,636.02, 5,455.11 and 1,556.21 is: 2,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.02 : 5,455.11 = 1,556.21 : x
  2. Step 2: Convert to fraction form
    3,636.02/5,455.11 = 1,556.21/x
  3. Step 3: Cross multiply
    3,636.02x = 5,455.11 × 1,556.21
  4. Step 4: Simplify right side
    3,636.02x = 8,489,269.46
  5. Step 5: Solve for x
    x = 8,489,269.46/3,636.02
  6. Step 6: Final answer
    x = 2,334.77

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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.