Home / 1,792.06-2,472.11-1,127.66

Finding the Fourth Proportional to 1,792.06, 2,472.11 and 1,127.66

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Solution

The fourth proportional to 1,792.06, 2,472.11 and 1,127.66 is: 1,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792.06 : 2,472.11 = 1,127.66 : x
  2. Step 2: Convert to fraction form
    1,792.06/2,472.11 = 1,127.66/x
  3. Step 3: Cross multiply
    1,792.06x = 2,472.11 × 1,127.66
  4. Step 4: Simplify right side
    1,792.06x = 2,787,699.56
  5. Step 5: Solve for x
    x = 2,787,699.56/1,792.06
  6. Step 6: Final answer
    x = 1,555.58

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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.