Home / 6,449.02-8,899.95-3,616.18

Finding the Fourth Proportional to 6,449.02, 8,899.95 and 3,616.18

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Solution

The fourth proportional to 6,449.02, 8,899.95 and 3,616.18 is: 4,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449.02 : 8,899.95 = 3,616.18 : x
  2. Step 2: Convert to fraction form
    6,449.02/8,899.95 = 3,616.18/x
  3. Step 3: Cross multiply
    6,449.02x = 8,899.95 × 3,616.18
  4. Step 4: Simplify right side
    6,449.02x = 32,183,821.19
  5. Step 5: Solve for x
    x = 32,183,821.19/6,449.02
  6. Step 6: Final answer
    x = 4,990.50

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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.