Home / 6,217.86-8,580.67-3,385.26

Finding the Fourth Proportional to 6,217.86, 8,580.67 and 3,385.26

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Solution

The fourth proportional to 6,217.86, 8,580.67 and 3,385.26 is: 4,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.86 : 8,580.67 = 3,385.26 : x
  2. Step 2: Convert to fraction form
    6,217.86/8,580.67 = 3,385.26/x
  3. Step 3: Cross multiply
    6,217.86x = 8,580.67 × 3,385.26
  4. Step 4: Simplify right side
    6,217.86x = 29,047,822.84
  5. Step 5: Solve for x
    x = 29,047,822.84/6,217.86
  6. Step 6: Final answer
    x = 4,671.67

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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.