Home / 7,335.22-10,123.15-4,191.34

Finding the Fourth Proportional to 7,335.22, 10,123.15 and 4,191.34

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Solution

The fourth proportional to 7,335.22, 10,123.15 and 4,191.34 is: 5,784.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.22 : 10,123.15 = 4,191.34 : x
  2. Step 2: Convert to fraction form
    7,335.22/10,123.15 = 4,191.34/x
  3. Step 3: Cross multiply
    7,335.22x = 10,123.15 × 4,191.34
  4. Step 4: Simplify right side
    7,335.22x = 42,429,542.56
  5. Step 5: Solve for x
    x = 42,429,542.56/7,335.22
  6. Step 6: Final answer
    x = 5,784.36

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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.