Home / 5,427.56-8,177.82-4,908.14

Finding the Fourth Proportional to 5,427.56, 8,177.82 and 4,908.14

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Solution

The fourth proportional to 5,427.56, 8,177.82 and 4,908.14 is: 7,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.56 : 8,177.82 = 4,908.14 : x
  2. Step 2: Convert to fraction form
    5,427.56/8,177.82 = 4,908.14/x
  3. Step 3: Cross multiply
    5,427.56x = 8,177.82 × 4,908.14
  4. Step 4: Simplify right side
    5,427.56x = 40,137,937.34
  5. Step 5: Solve for x
    x = 40,137,937.34/5,427.56
  6. Step 6: Final answer
    x = 7,395.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.