Home / 7,274.76-10,039.30-4,131.14

Finding the Fourth Proportional to 7,274.76, 10,039.30 and 4,131.14

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Solution

The fourth proportional to 7,274.76, 10,039.30 and 4,131.14 is: 5,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.76 : 10,039.30 = 4,131.14 : x
  2. Step 2: Convert to fraction form
    7,274.76/10,039.30 = 4,131.14/x
  3. Step 3: Cross multiply
    7,274.76x = 10,039.30 × 4,131.14
  4. Step 4: Simplify right side
    7,274.76x = 41,473,753.80
  5. Step 5: Solve for x
    x = 41,473,753.80/7,274.76
  6. Step 6: Final answer
    x = 5,701.05

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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.