Home / 5,167.36-7,130.99-3,042.98

Finding the Fourth Proportional to 5,167.36, 7,130.99 and 3,042.98

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Solution

The fourth proportional to 5,167.36, 7,130.99 and 3,042.98 is: 4,199.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.36 : 7,130.99 = 3,042.98 : x
  2. Step 2: Convert to fraction form
    5,167.36/7,130.99 = 3,042.98/x
  3. Step 3: Cross multiply
    5,167.36x = 7,130.99 × 3,042.98
  4. Step 4: Simplify right side
    5,167.36x = 21,699,481.64
  5. Step 5: Solve for x
    x = 21,699,481.64/5,167.36
  6. Step 6: Final answer
    x = 4,199.34

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1.5x scale

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.