Home / 6,210.96-8,571.06-3,378.30

Finding the Fourth Proportional to 6,210.96, 8,571.06 and 3,378.30

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Solution

The fourth proportional to 6,210.96, 8,571.06 and 3,378.30 is: 4,662.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.96 : 8,571.06 = 3,378.30 : x
  2. Step 2: Convert to fraction form
    6,210.96/8,571.06 = 3,378.30/x
  3. Step 3: Cross multiply
    6,210.96x = 8,571.06 × 3,378.30
  4. Step 4: Simplify right side
    6,210.96x = 28,955,612.00
  5. Step 5: Solve for x
    x = 28,955,612.00/6,210.96
  6. Step 6: Final answer
    x = 4,662.02

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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.