Home / 5,177.16-7,146.36-3,409.56

Finding the Fourth Proportional to 5,177.16, 7,146.36 and 3,409.56

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Solution

The fourth proportional to 5,177.16, 7,146.36 and 3,409.56 is: 4,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.16 : 7,146.36 = 3,409.56 : x
  2. Step 2: Convert to fraction form
    5,177.16/7,146.36 = 3,409.56/x
  3. Step 3: Cross multiply
    5,177.16x = 7,146.36 × 3,409.56
  4. Step 4: Simplify right side
    5,177.16x = 24,365,943.20
  5. Step 5: Solve for x
    x = 24,365,943.20/5,177.16
  6. Step 6: Final answer
    x = 4,706.43

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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.