Home / 2,561.46-3,530.66-2,000.95

Finding the Fourth Proportional to 2,561.46, 3,530.66 and 2,000.95

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Solution

The fourth proportional to 2,561.46, 3,530.66 and 2,000.95 is: 2,758.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561.46 : 3,530.66 = 2,000.95 : x
  2. Step 2: Convert to fraction form
    2,561.46/3,530.66 = 2,000.95/x
  3. Step 3: Cross multiply
    2,561.46x = 3,530.66 × 2,000.95
  4. Step 4: Simplify right side
    2,561.46x = 7,064,655.30
  5. Step 5: Solve for x
    x = 7,064,655.30/2,561.46
  6. Step 6: Final answer
    x = 2,758.06

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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.