Home / 1,928.96-2,876.57-1,716.33

Finding the Fourth Proportional to 1,928.96, 2,876.57 and 1,716.33

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Solution

The fourth proportional to 1,928.96, 2,876.57 and 1,716.33 is: 2,559.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.96 : 2,876.57 = 1,716.33 : x
  2. Step 2: Convert to fraction form
    1,928.96/2,876.57 = 1,716.33/x
  3. Step 3: Cross multiply
    1,928.96x = 2,876.57 × 1,716.33
  4. Step 4: Simplify right side
    1,928.96x = 4,937,147.95
  5. Step 5: Solve for x
    x = 4,937,147.95/1,928.96
  6. Step 6: Final answer
    x = 2,559.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.