Home / 5,455.59-8,177.91-4,799.49

Finding the Fourth Proportional to 5,455.59, 8,177.91 and 4,799.49

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Solution

The fourth proportional to 5,455.59, 8,177.91 and 4,799.49 is: 7,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.59 : 8,177.91 = 4,799.49 : x
  2. Step 2: Convert to fraction form
    5,455.59/8,177.91 = 4,799.49/x
  3. Step 3: Cross multiply
    5,455.59x = 8,177.91 × 4,799.49
  4. Step 4: Simplify right side
    5,455.59x = 39,249,797.27
  5. Step 5: Solve for x
    x = 39,249,797.27/5,455.59
  6. Step 6: Final answer
    x = 7,194.42

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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.