Home / 7,058.45-10,588.19-2,128.47

Finding the Fourth Proportional to 7,058.45, 10,588.19 and 2,128.47

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Solution

The fourth proportional to 7,058.45, 10,588.19 and 2,128.47 is: 3,192.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,058.45 : 10,588.19 = 2,128.47 : x
  2. Step 2: Convert to fraction form
    7,058.45/10,588.19 = 2,128.47/x
  3. Step 3: Cross multiply
    7,058.45x = 10,588.19 × 2,128.47
  4. Step 4: Simplify right side
    7,058.45x = 22,536,634.13
  5. Step 5: Solve for x
    x = 22,536,634.13/7,058.45
  6. Step 6: Final answer
    x = 3,192.86

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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.