Home / 1,717.22-2,370.33-1,009.05

Finding the Fourth Proportional to 1,717.22, 2,370.33 and 1,009.05

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Solution

The fourth proportional to 1,717.22, 2,370.33 and 1,009.05 is: 1,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.22 : 2,370.33 = 1,009.05 : x
  2. Step 2: Convert to fraction form
    1,717.22/2,370.33 = 1,009.05/x
  3. Step 3: Cross multiply
    1,717.22x = 2,370.33 × 1,009.05
  4. Step 4: Simplify right side
    1,717.22x = 2,391,776.44
  5. Step 5: Solve for x
    x = 2,391,776.44/1,717.22
  6. Step 6: Final answer
    x = 1,392.82

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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.