Home / 3,113.58-4,296.45-1,716.32

Finding the Fourth Proportional to 3,113.58, 4,296.45 and 1,716.32

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Solution

The fourth proportional to 3,113.58, 4,296.45 and 1,716.32 is: 2,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.58 : 4,296.45 = 1,716.32 : x
  2. Step 2: Convert to fraction form
    3,113.58/4,296.45 = 1,716.32/x
  3. Step 3: Cross multiply
    3,113.58x = 4,296.45 × 1,716.32
  4. Step 4: Simplify right side
    3,113.58x = 7,374,083.06
  5. Step 5: Solve for x
    x = 7,374,083.06/3,113.58
  6. Step 6: Final answer
    x = 2,368.36

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1.5x scale

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.