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Finding the Fourth Proportional to 3,867.84, 5,803.41 and 3,701.76

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Solution

The fourth proportional to 3,867.84, 5,803.41 and 3,701.76 is: 5,554.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.84 : 5,803.41 = 3,701.76 : x
  2. Step 2: Convert to fraction form
    3,867.84/5,803.41 = 3,701.76/x
  3. Step 3: Cross multiply
    3,867.84x = 5,803.41 × 3,701.76
  4. Step 4: Simplify right side
    3,867.84x = 21,482,831.00
  5. Step 5: Solve for x
    x = 21,482,831.00/3,867.84
  6. Step 6: Final answer
    x = 5,554.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.