Home / 1,705.18-2,556.01-1,011.73

Finding the Fourth Proportional to 1,705.18, 2,556.01 and 1,011.73

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Solution

The fourth proportional to 1,705.18, 2,556.01 and 1,011.73 is: 1,516.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705.18 : 2,556.01 = 1,011.73 : x
  2. Step 2: Convert to fraction form
    1,705.18/2,556.01 = 1,011.73/x
  3. Step 3: Cross multiply
    1,705.18x = 2,556.01 × 1,011.73
  4. Step 4: Simplify right side
    1,705.18x = 2,585,992.00
  5. Step 5: Solve for x
    x = 2,585,992.00/1,705.18
  6. Step 6: Final answer
    x = 1,516.55

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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.