Home / 2,060.40-2,840.11-1,561.03

Finding the Fourth Proportional to 2,060.40, 2,840.11 and 1,561.03

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Solution

The fourth proportional to 2,060.40, 2,840.11 and 1,561.03 is: 2,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060.40 : 2,840.11 = 1,561.03 : x
  2. Step 2: Convert to fraction form
    2,060.40/2,840.11 = 1,561.03/x
  3. Step 3: Cross multiply
    2,060.40x = 2,840.11 × 1,561.03
  4. Step 4: Simplify right side
    2,060.40x = 4,433,496.91
  5. Step 5: Solve for x
    x = 4,433,496.91/2,060.40
  6. Step 6: Final answer
    x = 2,151.77

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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.