Home / 2,947.10-4,068.21-1,767.94

Finding the Fourth Proportional to 2,947.10, 4,068.21 and 1,767.94

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Solution

The fourth proportional to 2,947.10, 4,068.21 and 1,767.94 is: 2,440.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.10 : 4,068.21 = 1,767.94 : x
  2. Step 2: Convert to fraction form
    2,947.10/4,068.21 = 1,767.94/x
  3. Step 3: Cross multiply
    2,947.10x = 4,068.21 × 1,767.94
  4. Step 4: Simplify right side
    2,947.10x = 7,192,347.65
  5. Step 5: Solve for x
    x = 7,192,347.65/2,947.10
  6. Step 6: Final answer
    x = 2,440.49

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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.