Home / 3,012.70-4,152.72-2,541.28

Finding the Fourth Proportional to 3,012.70, 4,152.72 and 2,541.28

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Solution

The fourth proportional to 3,012.70, 4,152.72 and 2,541.28 is: 3,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.70 : 4,152.72 = 2,541.28 : x
  2. Step 2: Convert to fraction form
    3,012.70/4,152.72 = 2,541.28/x
  3. Step 3: Cross multiply
    3,012.70x = 4,152.72 × 2,541.28
  4. Step 4: Simplify right side
    3,012.70x = 10,553,224.28
  5. Step 5: Solve for x
    x = 10,553,224.28/3,012.70
  6. Step 6: Final answer
    x = 3,502.91

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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.