Home / 2,035.72-2,810.26-1,666.66

Finding the Fourth Proportional to 2,035.72, 2,810.26 and 1,666.66

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Solution

The fourth proportional to 2,035.72, 2,810.26 and 1,666.66 is: 2,300.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.72 : 2,810.26 = 1,666.66 : x
  2. Step 2: Convert to fraction form
    2,035.72/2,810.26 = 1,666.66/x
  3. Step 3: Cross multiply
    2,035.72x = 2,810.26 × 1,666.66
  4. Step 4: Simplify right side
    2,035.72x = 4,683,747.93
  5. Step 5: Solve for x
    x = 4,683,747.93/2,035.72
  6. Step 6: Final answer
    x = 2,300.78

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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.