Home / 1,718.07-2,370.95-932.12

Finding the Fourth Proportional to 1,718.07, 2,370.95 and 932.12

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Solution

The fourth proportional to 1,718.07, 2,370.95 and 932.12 is: 1,286.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.07 : 2,370.95 = 932.12 : x
  2. Step 2: Convert to fraction form
    1,718.07/2,370.95 = 932.12/x
  3. Step 3: Cross multiply
    1,718.07x = 2,370.95 × 932.12
  4. Step 4: Simplify right side
    1,718.07x = 2,209,993.40
  5. Step 5: Solve for x
    x = 2,209,993.40/1,718.07
  6. Step 6: Final answer
    x = 1,286.32

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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.