Home / 6,690.26-9,232.55-3,706.28

Finding the Fourth Proportional to 6,690.26, 9,232.55 and 3,706.28

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Solution

The fourth proportional to 6,690.26, 9,232.55 and 3,706.28 is: 5,114.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.26 : 9,232.55 = 3,706.28 : x
  2. Step 2: Convert to fraction form
    6,690.26/9,232.55 = 3,706.28/x
  3. Step 3: Cross multiply
    6,690.26x = 9,232.55 × 3,706.28
  4. Step 4: Simplify right side
    6,690.26x = 34,218,415.41
  5. Step 5: Solve for x
    x = 34,218,415.41/6,690.26
  6. Step 6: Final answer
    x = 5,114.67

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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.