Home / 2,887.24-3,984.14-1,708.10

Finding the Fourth Proportional to 2,887.24, 3,984.14 and 1,708.10

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Solution

The fourth proportional to 2,887.24, 3,984.14 and 1,708.10 is: 2,357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.24 : 3,984.14 = 1,708.10 : x
  2. Step 2: Convert to fraction form
    2,887.24/3,984.14 = 1,708.10/x
  3. Step 3: Cross multiply
    2,887.24x = 3,984.14 × 1,708.10
  4. Step 4: Simplify right side
    2,887.24x = 6,805,309.53
  5. Step 5: Solve for x
    x = 6,805,309.53/2,887.24
  6. Step 6: Final answer
    x = 2,357.03

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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.