Home / 3,417.90-4,716.84-1,926

Finding the Fourth Proportional to 3,417.90, 4,716.84 and 1,926

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Solution

The fourth proportional to 3,417.90, 4,716.84 and 1,926 is: 2,657.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.90 : 4,716.84 = 1,926 : x
  2. Step 2: Convert to fraction form
    3,417.90/4,716.84 = 1,926/x
  3. Step 3: Cross multiply
    3,417.90x = 4,716.84 × 1,926
  4. Step 4: Simplify right side
    3,417.90x = 9,084,633.84
  5. Step 5: Solve for x
    x = 9,084,633.84/3,417.90
  6. Step 6: Final answer
    x = 2,657.96

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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.