Home / 5,337.80-7,366.39-3,099.21

Finding the Fourth Proportional to 5,337.80, 7,366.39 and 3,099.21

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Solution

The fourth proportional to 5,337.80, 7,366.39 and 3,099.21 is: 4,277.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.80 : 7,366.39 = 3,099.21 : x
  2. Step 2: Convert to fraction form
    5,337.80/7,366.39 = 3,099.21/x
  3. Step 3: Cross multiply
    5,337.80x = 7,366.39 × 3,099.21
  4. Step 4: Simplify right side
    5,337.80x = 22,830,013.05
  5. Step 5: Solve for x
    x = 22,830,013.05/5,337.80
  6. Step 6: Final answer
    x = 4,277.05

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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.