Home / 3,383.65-4,669.35-1,891.59

Finding the Fourth Proportional to 3,383.65, 4,669.35 and 1,891.59

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Solution

The fourth proportional to 3,383.65, 4,669.35 and 1,891.59 is: 2,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.65 : 4,669.35 = 1,891.59 : x
  2. Step 2: Convert to fraction form
    3,383.65/4,669.35 = 1,891.59/x
  3. Step 3: Cross multiply
    3,383.65x = 4,669.35 × 1,891.59
  4. Step 4: Simplify right side
    3,383.65x = 8,832,495.77
  5. Step 5: Solve for x
    x = 8,832,495.77/3,383.65
  6. Step 6: Final answer
    x = 2,610.35

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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.