Home / 7,381.51-10,184.79-4,194.03

Finding the Fourth Proportional to 7,381.51, 10,184.79 and 4,194.03

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Solution

The fourth proportional to 7,381.51, 10,184.79 and 4,194.03 is: 5,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.51 : 10,184.79 = 4,194.03 : x
  2. Step 2: Convert to fraction form
    7,381.51/10,184.79 = 4,194.03/x
  3. Step 3: Cross multiply
    7,381.51x = 10,184.79 × 4,194.03
  4. Step 4: Simplify right side
    7,381.51x = 42,715,314.80
  5. Step 5: Solve for x
    x = 42,715,314.80/7,381.51
  6. Step 6: Final answer
    x = 5,786.80

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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.