Home / 1,716.30-2,368.53-1,008.66

Finding the Fourth Proportional to 1,716.30, 2,368.53 and 1,008.66

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Solution

The fourth proportional to 1,716.30, 2,368.53 and 1,008.66 is: 1,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.30 : 2,368.53 = 1,008.66 : x
  2. Step 2: Convert to fraction form
    1,716.30/2,368.53 = 1,008.66/x
  3. Step 3: Cross multiply
    1,716.30x = 2,368.53 × 1,008.66
  4. Step 4: Simplify right side
    1,716.30x = 2,389,041.47
  5. Step 5: Solve for x
    x = 2,389,041.47/1,716.30
  6. Step 6: Final answer
    x = 1,391.97

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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.