Home / 1,962.92-2,707.37-1,263.08

Finding the Fourth Proportional to 1,962.92, 2,707.37 and 1,263.08

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Solution

The fourth proportional to 1,962.92, 2,707.37 and 1,263.08 is: 1,742.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.92 : 2,707.37 = 1,263.08 : x
  2. Step 2: Convert to fraction form
    1,962.92/2,707.37 = 1,263.08/x
  3. Step 3: Cross multiply
    1,962.92x = 2,707.37 × 1,263.08
  4. Step 4: Simplify right side
    1,962.92x = 3,419,624.90
  5. Step 5: Solve for x
    x = 3,419,624.90/1,962.92
  6. Step 6: Final answer
    x = 1,742.11

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1.5x scale

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.