Home / 2,536.72-3,502.16-1,686.66

Finding the Fourth Proportional to 2,536.72, 3,502.16 and 1,686.66

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Solution

The fourth proportional to 2,536.72, 3,502.16 and 1,686.66 is: 2,328.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,536.72 : 3,502.16 = 1,686.66 : x
  2. Step 2: Convert to fraction form
    2,536.72/3,502.16 = 1,686.66/x
  3. Step 3: Cross multiply
    2,536.72x = 3,502.16 × 1,686.66
  4. Step 4: Simplify right side
    2,536.72x = 5,906,953.19
  5. Step 5: Solve for x
    x = 5,906,953.19/2,536.72
  6. Step 6: Final answer
    x = 2,328.58

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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.