Home / 5,628.02-7,767.11-3,270.34

Finding the Fourth Proportional to 5,628.02, 7,767.11 and 3,270.34

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Solution

The fourth proportional to 5,628.02, 7,767.11 and 3,270.34 is: 4,513.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.02 : 7,767.11 = 3,270.34 : x
  2. Step 2: Convert to fraction form
    5,628.02/7,767.11 = 3,270.34/x
  3. Step 3: Cross multiply
    5,628.02x = 7,767.11 × 3,270.34
  4. Step 4: Simplify right side
    5,628.02x = 25,401,035.33
  5. Step 5: Solve for x
    x = 25,401,035.33/5,628.02
  6. Step 6: Final answer
    x = 4,513.32

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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.