Home / 3,756.79-5,184.21-2,265.53

Finding the Fourth Proportional to 3,756.79, 5,184.21 and 2,265.53

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Solution

The fourth proportional to 3,756.79, 5,184.21 and 2,265.53 is: 3,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.79 : 5,184.21 = 2,265.53 : x
  2. Step 2: Convert to fraction form
    3,756.79/5,184.21 = 2,265.53/x
  3. Step 3: Cross multiply
    3,756.79x = 5,184.21 × 2,265.53
  4. Step 4: Simplify right side
    3,756.79x = 11,744,983.28
  5. Step 5: Solve for x
    x = 11,744,983.28/3,756.79
  6. Step 6: Final answer
    x = 3,126.33

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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.