Home / 5,408.33-8,109.68-2,075.58

Finding the Fourth Proportional to 5,408.33, 8,109.68 and 2,075.58

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Solution

The fourth proportional to 5,408.33, 8,109.68 and 2,075.58 is: 3,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.33 : 8,109.68 = 2,075.58 : x
  2. Step 2: Convert to fraction form
    5,408.33/8,109.68 = 2,075.58/x
  3. Step 3: Cross multiply
    5,408.33x = 8,109.68 × 2,075.58
  4. Step 4: Simplify right side
    5,408.33x = 16,832,279.24
  5. Step 5: Solve for x
    x = 16,832,279.24/5,408.33
  6. Step 6: Final answer
    x = 3,112.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.