Home / 5,165.15-7,127.33-2,926.98

Finding the Fourth Proportional to 5,165.15, 7,127.33 and 2,926.98

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Solution

The fourth proportional to 5,165.15, 7,127.33 and 2,926.98 is: 4,038.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.15 : 7,127.33 = 2,926.98 : x
  2. Step 2: Convert to fraction form
    5,165.15/7,127.33 = 2,926.98/x
  3. Step 3: Cross multiply
    5,165.15x = 7,127.33 × 2,926.98
  4. Step 4: Simplify right side
    5,165.15x = 20,861,537.73
  5. Step 5: Solve for x
    x = 20,861,537.73/5,165.15
  6. Step 6: Final answer
    x = 4,038.91

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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.