Home / 6,674.65-9,210.85-3,690.41

Finding the Fourth Proportional to 6,674.65, 9,210.85 and 3,690.41

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Solution

The fourth proportional to 6,674.65, 9,210.85 and 3,690.41 is: 5,092.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,674.65 : 9,210.85 = 3,690.41 : x
  2. Step 2: Convert to fraction form
    6,674.65/9,210.85 = 3,690.41/x
  3. Step 3: Cross multiply
    6,674.65x = 9,210.85 × 3,690.41
  4. Step 4: Simplify right side
    6,674.65x = 33,991,812.95
  5. Step 5: Solve for x
    x = 33,991,812.95/6,674.65
  6. Step 6: Final answer
    x = 5,092.67

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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.