Home / 2,911.24-4,017.86-1,716.49

Finding the Fourth Proportional to 2,911.24, 4,017.86 and 1,716.49

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Solution

The fourth proportional to 2,911.24, 4,017.86 and 1,716.49 is: 2,368.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.24 : 4,017.86 = 1,716.49 : x
  2. Step 2: Convert to fraction form
    2,911.24/4,017.86 = 1,716.49/x
  3. Step 3: Cross multiply
    2,911.24x = 4,017.86 × 1,716.49
  4. Step 4: Simplify right side
    2,911.24x = 6,896,622.26
  5. Step 5: Solve for x
    x = 6,896,622.26/2,911.24
  6. Step 6: Final answer
    x = 2,368.96

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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.