Home / 9,031.33-13,543.93-2,790.51

Finding the Fourth Proportional to 9,031.33, 13,543.93 and 2,790.51

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Solution

The fourth proportional to 9,031.33, 13,543.93 and 2,790.51 is: 4,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.33 : 13,543.93 = 2,790.51 : x
  2. Step 2: Convert to fraction form
    9,031.33/13,543.93 = 2,790.51/x
  3. Step 3: Cross multiply
    9,031.33x = 13,543.93 × 2,790.51
  4. Step 4: Simplify right side
    9,031.33x = 37,794,472.10
  5. Step 5: Solve for x
    x = 37,794,472.10/9,031.33
  6. Step 6: Final answer
    x = 4,184.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.