Home / 4,166.83-5,742.31-2,985.85

Finding the Fourth Proportional to 4,166.83, 5,742.31 and 2,985.85

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Solution

The fourth proportional to 4,166.83, 5,742.31 and 2,985.85 is: 4,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166.83 : 5,742.31 = 2,985.85 : x
  2. Step 2: Convert to fraction form
    4,166.83/5,742.31 = 2,985.85/x
  3. Step 3: Cross multiply
    4,166.83x = 5,742.31 × 2,985.85
  4. Step 4: Simplify right side
    4,166.83x = 17,145,676.31
  5. Step 5: Solve for x
    x = 17,145,676.31/4,166.83
  6. Step 6: Final answer
    x = 4,114.80

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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.