Home / 1,516.58-2,091.97-926.09

Finding the Fourth Proportional to 1,516.58, 2,091.97 and 926.09

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Solution

The fourth proportional to 1,516.58, 2,091.97 and 926.09 is: 1,277.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.58 : 2,091.97 = 926.09 : x
  2. Step 2: Convert to fraction form
    1,516.58/2,091.97 = 926.09/x
  3. Step 3: Cross multiply
    1,516.58x = 2,091.97 × 926.09
  4. Step 4: Simplify right side
    1,516.58x = 1,937,345.83
  5. Step 5: Solve for x
    x = 1,937,345.83/1,516.58
  6. Step 6: Final answer
    x = 1,277.44

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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.