Home / 6,210.84-8,571.12-3,378.39

Finding the Fourth Proportional to 6,210.84, 8,571.12 and 3,378.39

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Solution

The fourth proportional to 6,210.84, 8,571.12 and 3,378.39 is: 4,662.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.84 : 8,571.12 = 3,378.39 : x
  2. Step 2: Convert to fraction form
    6,210.84/8,571.12 = 3,378.39/x
  3. Step 3: Cross multiply
    6,210.84x = 8,571.12 × 3,378.39
  4. Step 4: Simplify right side
    6,210.84x = 28,956,586.10
  5. Step 5: Solve for x
    x = 28,956,586.10/6,210.84
  6. Step 6: Final answer
    x = 4,662.27

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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.