Home / 6,210.72-8,570.88-3,694.68

Finding the Fourth Proportional to 6,210.72, 8,570.88 and 3,694.68

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Solution

The fourth proportional to 6,210.72, 8,570.88 and 3,694.68 is: 5,098.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.72 : 8,570.88 = 3,694.68 : x
  2. Step 2: Convert to fraction form
    6,210.72/8,570.88 = 3,694.68/x
  3. Step 3: Cross multiply
    6,210.72x = 8,570.88 × 3,694.68
  4. Step 4: Simplify right side
    6,210.72x = 31,666,658.92
  5. Step 5: Solve for x
    x = 31,666,658.92/6,210.72
  6. Step 6: Final answer
    x = 5,098.71

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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.