Home / 6,254.18-8,630.78-3,459.68

Finding the Fourth Proportional to 6,254.18, 8,630.78 and 3,459.68

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Solution

The fourth proportional to 6,254.18, 8,630.78 and 3,459.68 is: 4,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.18 : 8,630.78 = 3,459.68 : x
  2. Step 2: Convert to fraction form
    6,254.18/8,630.78 = 3,459.68/x
  3. Step 3: Cross multiply
    6,254.18x = 8,630.78 × 3,459.68
  4. Step 4: Simplify right side
    6,254.18x = 29,859,736.95
  5. Step 5: Solve for x
    x = 29,859,736.95/6,254.18
  6. Step 6: Final answer
    x = 4,774.36

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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.