Home / 2,947.52-4,412.10-1,960.76

Finding the Fourth Proportional to 2,947.52, 4,412.10 and 1,960.76

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Solution

The fourth proportional to 2,947.52, 4,412.10 and 1,960.76 is: 2,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.52 : 4,412.10 = 1,960.76 : x
  2. Step 2: Convert to fraction form
    2,947.52/4,412.10 = 1,960.76/x
  3. Step 3: Cross multiply
    2,947.52x = 4,412.10 × 1,960.76
  4. Step 4: Simplify right side
    2,947.52x = 8,651,069.20
  5. Step 5: Solve for x
    x = 8,651,069.20/2,947.52
  6. Step 6: Final answer
    x = 2,935.03

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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.