Home / 6,217.61-8,580.03-3,384.99

Finding the Fourth Proportional to 6,217.61, 8,580.03 and 3,384.99

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Solution

The fourth proportional to 6,217.61, 8,580.03 and 3,384.99 is: 4,671.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.61 : 8,580.03 = 3,384.99 : x
  2. Step 2: Convert to fraction form
    6,217.61/8,580.03 = 3,384.99/x
  3. Step 3: Cross multiply
    6,217.61x = 8,580.03 × 3,384.99
  4. Step 4: Simplify right side
    6,217.61x = 29,043,303.06
  5. Step 5: Solve for x
    x = 29,043,303.06/6,217.61
  6. Step 6: Final answer
    x = 4,671.14

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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.