Home / 2,975.24-4,462.71-1,126.22

Finding the Fourth Proportional to 2,975.24, 4,462.71 and 1,126.22

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Solution

The fourth proportional to 2,975.24, 4,462.71 and 1,126.22 is: 1,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.24 : 4,462.71 = 1,126.22 : x
  2. Step 2: Convert to fraction form
    2,975.24/4,462.71 = 1,126.22/x
  3. Step 3: Cross multiply
    2,975.24x = 4,462.71 × 1,126.22
  4. Step 4: Simplify right side
    2,975.24x = 5,025,970.94
  5. Step 5: Solve for x
    x = 5,025,970.94/2,975.24
  6. Step 6: Final answer
    x = 1,689.27

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1.5x scale

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.