Home / 6,210.62-8,570.82-3,378.16

Finding the Fourth Proportional to 6,210.62, 8,570.82 and 3,378.16

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Solution

The fourth proportional to 6,210.62, 8,570.82 and 3,378.16 is: 4,661.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.62 : 8,570.82 = 3,378.16 : x
  2. Step 2: Convert to fraction form
    6,210.62/8,570.82 = 3,378.16/x
  3. Step 3: Cross multiply
    6,210.62x = 8,570.82 × 3,378.16
  4. Step 4: Simplify right side
    6,210.62x = 28,953,573.53
  5. Step 5: Solve for x
    x = 28,953,573.53/6,210.62
  6. Step 6: Final answer
    x = 4,661.94

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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.