Home / 6,231.42-8,599.20-3,579.35

Finding the Fourth Proportional to 6,231.42, 8,599.20 and 3,579.35

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Solution

The fourth proportional to 6,231.42, 8,599.20 and 3,579.35 is: 4,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.42 : 8,599.20 = 3,579.35 : x
  2. Step 2: Convert to fraction form
    6,231.42/8,599.20 = 3,579.35/x
  3. Step 3: Cross multiply
    6,231.42x = 8,599.20 × 3,579.35
  4. Step 4: Simplify right side
    6,231.42x = 30,779,503.52
  5. Step 5: Solve for x
    x = 30,779,503.52/6,231.42
  6. Step 6: Final answer
    x = 4,939.40

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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.