Home / 2,975.11-4,465.29-1,515.07

Finding the Fourth Proportional to 2,975.11, 4,465.29 and 1,515.07

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Solution

The fourth proportional to 2,975.11, 4,465.29 and 1,515.07 is: 2,273.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.11 : 4,465.29 = 1,515.07 : x
  2. Step 2: Convert to fraction form
    2,975.11/4,465.29 = 1,515.07/x
  3. Step 3: Cross multiply
    2,975.11x = 4,465.29 × 1,515.07
  4. Step 4: Simplify right side
    2,975.11x = 6,765,226.92
  5. Step 5: Solve for x
    x = 6,765,226.92/2,975.11
  6. Step 6: Final answer
    x = 2,273.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.