Home / 6,231.28-8,599.05-3,398.67

Finding the Fourth Proportional to 6,231.28, 8,599.05 and 3,398.67

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Solution

The fourth proportional to 6,231.28, 8,599.05 and 3,398.67 is: 4,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.28 : 8,599.05 = 3,398.67 : x
  2. Step 2: Convert to fraction form
    6,231.28/8,599.05 = 3,398.67/x
  3. Step 3: Cross multiply
    6,231.28x = 8,599.05 × 3,398.67
  4. Step 4: Simplify right side
    6,231.28x = 29,225,333.26
  5. Step 5: Solve for x
    x = 29,225,333.26/6,231.28
  6. Step 6: Final answer
    x = 4,690.10

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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.