Home / 6,119.35-8,457.15-4,626.79

Finding the Fourth Proportional to 6,119.35, 8,457.15 and 4,626.79

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Solution

The fourth proportional to 6,119.35, 8,457.15 and 4,626.79 is: 6,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.35 : 8,457.15 = 4,626.79 : x
  2. Step 2: Convert to fraction form
    6,119.35/8,457.15 = 4,626.79/x
  3. Step 3: Cross multiply
    6,119.35x = 8,457.15 × 4,626.79
  4. Step 4: Simplify right side
    6,119.35x = 39,129,457.05
  5. Step 5: Solve for x
    x = 39,129,457.05/6,119.35
  6. Step 6: Final answer
    x = 6,394.38

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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.