Home / 3,150.36-4,347.28-2,404.80

Finding the Fourth Proportional to 3,150.36, 4,347.28 and 2,404.80

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Solution

The fourth proportional to 3,150.36, 4,347.28 and 2,404.80 is: 3,318.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.36 : 4,347.28 = 2,404.80 : x
  2. Step 2: Convert to fraction form
    3,150.36/4,347.28 = 2,404.80/x
  3. Step 3: Cross multiply
    3,150.36x = 4,347.28 × 2,404.80
  4. Step 4: Simplify right side
    3,150.36x = 10,454,338.94
  5. Step 5: Solve for x
    x = 10,454,338.94/3,150.36
  6. Step 6: Final answer
    x = 3,318.46

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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.