Home / 5,488.20-7,573.72-3,004.20

Finding the Fourth Proportional to 5,488.20, 7,573.72 and 3,004.20

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Solution

The fourth proportional to 5,488.20, 7,573.72 and 3,004.20 is: 4,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.20 : 7,573.72 = 3,004.20 : x
  2. Step 2: Convert to fraction form
    5,488.20/7,573.72 = 3,004.20/x
  3. Step 3: Cross multiply
    5,488.20x = 7,573.72 × 3,004.20
  4. Step 4: Simplify right side
    5,488.20x = 22,752,969.62
  5. Step 5: Solve for x
    x = 22,752,969.62/5,488.20
  6. Step 6: Final answer
    x = 4,145.80

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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.