Home / 3,113.69-4,296.38-2,450.30

Finding the Fourth Proportional to 3,113.69, 4,296.38 and 2,450.30

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Solution

The fourth proportional to 3,113.69, 4,296.38 and 2,450.30 is: 3,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.69 : 4,296.38 = 2,450.30 : x
  2. Step 2: Convert to fraction form
    3,113.69/4,296.38 = 2,450.30/x
  3. Step 3: Cross multiply
    3,113.69x = 4,296.38 × 2,450.30
  4. Step 4: Simplify right side
    3,113.69x = 10,527,386.18
  5. Step 5: Solve for x
    x = 10,527,386.18/3,113.69
  6. Step 6: Final answer
    x = 3,381.01

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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.