Home / 9,031.20-13,547.19-2,791.08

Finding the Fourth Proportional to 9,031.20, 13,547.19 and 2,791.08

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Solution

The fourth proportional to 9,031.20, 13,547.19 and 2,791.08 is: 4,186.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.20 : 13,547.19 = 2,791.08 : x
  2. Step 2: Convert to fraction form
    9,031.20/13,547.19 = 2,791.08/x
  3. Step 3: Cross multiply
    9,031.20x = 13,547.19 × 2,791.08
  4. Step 4: Simplify right side
    9,031.20x = 37,811,291.07
  5. Step 5: Solve for x
    x = 37,811,291.07/9,031.20
  6. Step 6: Final answer
    x = 4,186.74

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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.