Home / 4,033.84-5,561.76-2,772.40

Finding the Fourth Proportional to 4,033.84, 5,561.76 and 2,772.40

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Solution

The fourth proportional to 4,033.84, 5,561.76 and 2,772.40 is: 3,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,033.84 : 5,561.76 = 2,772.40 : x
  2. Step 2: Convert to fraction form
    4,033.84/5,561.76 = 2,772.40/x
  3. Step 3: Cross multiply
    4,033.84x = 5,561.76 × 2,772.40
  4. Step 4: Simplify right side
    4,033.84x = 15,419,423.42
  5. Step 5: Solve for x
    x = 15,419,423.42/4,033.84
  6. Step 6: Final answer
    x = 3,822.52

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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.