Home / 5,348.07-7,380.33-3,111.24

Finding the Fourth Proportional to 5,348.07, 7,380.33 and 3,111.24

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Solution

The fourth proportional to 5,348.07, 7,380.33 and 3,111.24 is: 4,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.07 : 7,380.33 = 3,111.24 : x
  2. Step 2: Convert to fraction form
    5,348.07/7,380.33 = 3,111.24/x
  3. Step 3: Cross multiply
    5,348.07x = 7,380.33 × 3,111.24
  4. Step 4: Simplify right side
    5,348.07x = 22,961,977.91
  5. Step 5: Solve for x
    x = 22,961,977.91/5,348.07
  6. Step 6: Final answer
    x = 4,293.51

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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.