Home / 3,740.19-5,160.33-2,167.98

Finding the Fourth Proportional to 3,740.19, 5,160.33 and 2,167.98

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Solution

The fourth proportional to 3,740.19, 5,160.33 and 2,167.98 is: 2,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.19 : 5,160.33 = 2,167.98 : x
  2. Step 2: Convert to fraction form
    3,740.19/5,160.33 = 2,167.98/x
  3. Step 3: Cross multiply
    3,740.19x = 5,160.33 × 2,167.98
  4. Step 4: Simplify right side
    3,740.19x = 11,187,492.23
  5. Step 5: Solve for x
    x = 11,187,492.23/3,740.19
  6. Step 6: Final answer
    x = 2,991.16

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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.