Home / 2,860.13-4,290.08-1,610.70

Finding the Fourth Proportional to 2,860.13, 4,290.08 and 1,610.70

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Solution

The fourth proportional to 2,860.13, 4,290.08 and 1,610.70 is: 2,415.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.13 : 4,290.08 = 1,610.70 : x
  2. Step 2: Convert to fraction form
    2,860.13/4,290.08 = 1,610.70/x
  3. Step 3: Cross multiply
    2,860.13x = 4,290.08 × 1,610.70
  4. Step 4: Simplify right side
    2,860.13x = 6,910,023.80
  5. Step 5: Solve for x
    x = 6,910,023.80/2,860.13
  6. Step 6: Final answer
    x = 2,415.99

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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.