Home / 2,910.99-4,017.15-1,732.05

Finding the Fourth Proportional to 2,910.99, 4,017.15 and 1,732.05

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Solution

The fourth proportional to 2,910.99, 4,017.15 and 1,732.05 is: 2,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.99 : 4,017.15 = 1,732.05 : x
  2. Step 2: Convert to fraction form
    2,910.99/4,017.15 = 1,732.05/x
  3. Step 3: Cross multiply
    2,910.99x = 4,017.15 × 1,732.05
  4. Step 4: Simplify right side
    2,910.99x = 6,957,904.66
  5. Step 5: Solve for x
    x = 6,957,904.66/2,910.99
  6. Step 6: Final answer
    x = 2,390.22

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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.