Home / 7,381.02-10,185.82-4,023.84

Finding the Fourth Proportional to 7,381.02, 10,185.82 and 4,023.84

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Solution

The fourth proportional to 7,381.02, 10,185.82 and 4,023.84 is: 5,552.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.02 : 10,185.82 = 4,023.84 : x
  2. Step 2: Convert to fraction form
    7,381.02/10,185.82 = 4,023.84/x
  3. Step 3: Cross multiply
    7,381.02x = 10,185.82 × 4,023.84
  4. Step 4: Simplify right side
    7,381.02x = 40,986,109.95
  5. Step 5: Solve for x
    x = 40,986,109.95/7,381.02
  6. Step 6: Final answer
    x = 5,552.91

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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.