Home / 5,886.98-8,120.43-3,495.33

Finding the Fourth Proportional to 5,886.98, 8,120.43 and 3,495.33

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Solution

The fourth proportional to 5,886.98, 8,120.43 and 3,495.33 is: 4,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.98 : 8,120.43 = 3,495.33 : x
  2. Step 2: Convert to fraction form
    5,886.98/8,120.43 = 3,495.33/x
  3. Step 3: Cross multiply
    5,886.98x = 8,120.43 × 3,495.33
  4. Step 4: Simplify right side
    5,886.98x = 28,383,595.70
  5. Step 5: Solve for x
    x = 28,383,595.70/5,886.98
  6. Step 6: Final answer
    x = 4,821.42

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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.