Home / 5,329.16-7,353.46-3,091.28

Finding the Fourth Proportional to 5,329.16, 7,353.46 and 3,091.28

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Solution

The fourth proportional to 5,329.16, 7,353.46 and 3,091.28 is: 4,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.16 : 7,353.46 = 3,091.28 : x
  2. Step 2: Convert to fraction form
    5,329.16/7,353.46 = 3,091.28/x
  3. Step 3: Cross multiply
    5,329.16x = 7,353.46 × 3,091.28
  4. Step 4: Simplify right side
    5,329.16x = 22,731,603.83
  5. Step 5: Solve for x
    x = 22,731,603.83/5,329.16
  6. Step 6: Final answer
    x = 4,265.51

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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.