Home / 6,217.58-8,580.18-3,529.30

Finding the Fourth Proportional to 6,217.58, 8,580.18 and 3,529.30

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Solution

The fourth proportional to 6,217.58, 8,580.18 and 3,529.30 is: 4,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.58 : 8,580.18 = 3,529.30 : x
  2. Step 2: Convert to fraction form
    6,217.58/8,580.18 = 3,529.30/x
  3. Step 3: Cross multiply
    6,217.58x = 8,580.18 × 3,529.30
  4. Step 4: Simplify right side
    6,217.58x = 30,282,029.27
  5. Step 5: Solve for x
    x = 30,282,029.27/6,217.58
  6. Step 6: Final answer
    x = 4,870.39

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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.