Home / 5,177.48-7,146.98-3,606.44

Finding the Fourth Proportional to 5,177.48, 7,146.98 and 3,606.44

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Solution

The fourth proportional to 5,177.48, 7,146.98 and 3,606.44 is: 4,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.48 : 7,146.98 = 3,606.44 : x
  2. Step 2: Convert to fraction form
    5,177.48/7,146.98 = 3,606.44/x
  3. Step 3: Cross multiply
    5,177.48x = 7,146.98 × 3,606.44
  4. Step 4: Simplify right side
    5,177.48x = 25,775,154.55
  5. Step 5: Solve for x
    x = 25,775,154.55/5,177.48
  6. Step 6: Final answer
    x = 4,978.32

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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.