Home / 2,540.13-3,506.58-1,910.90

Finding the Fourth Proportional to 2,540.13, 3,506.58 and 1,910.90

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Solution

The fourth proportional to 2,540.13, 3,506.58 and 1,910.90 is: 2,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.13 : 3,506.58 = 1,910.90 : x
  2. Step 2: Convert to fraction form
    2,540.13/3,506.58 = 1,910.90/x
  3. Step 3: Cross multiply
    2,540.13x = 3,506.58 × 1,910.90
  4. Step 4: Simplify right side
    2,540.13x = 6,700,703.58
  5. Step 5: Solve for x
    x = 6,700,703.58/2,540.13
  6. Step 6: Final answer
    x = 2,637.94

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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.