Home / 5,354.06-7,390.91-4,028.09

Finding the Fourth Proportional to 5,354.06, 7,390.91 and 4,028.09

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Solution

The fourth proportional to 5,354.06, 7,390.91 and 4,028.09 is: 5,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.06 : 7,390.91 = 4,028.09 : x
  2. Step 2: Convert to fraction form
    5,354.06/7,390.91 = 4,028.09/x
  3. Step 3: Cross multiply
    5,354.06x = 7,390.91 × 4,028.09
  4. Step 4: Simplify right side
    5,354.06x = 29,771,223.78
  5. Step 5: Solve for x
    x = 29,771,223.78/5,354.06
  6. Step 6: Final answer
    x = 5,560.50

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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.