Home / 2,707.17-3,742.25-1,927.95

Finding the Fourth Proportional to 2,707.17, 3,742.25 and 1,927.95

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Solution

The fourth proportional to 2,707.17, 3,742.25 and 1,927.95 is: 2,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.17 : 3,742.25 = 1,927.95 : x
  2. Step 2: Convert to fraction form
    2,707.17/3,742.25 = 1,927.95/x
  3. Step 3: Cross multiply
    2,707.17x = 3,742.25 × 1,927.95
  4. Step 4: Simplify right side
    2,707.17x = 7,214,861.25
  5. Step 5: Solve for x
    x = 7,214,861.25/2,707.17
  6. Step 6: Final answer
    x = 2,665.09

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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.