Home / 6,237.87-8,607.99-3,405.18

Finding the Fourth Proportional to 6,237.87, 8,607.99 and 3,405.18

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Solution

The fourth proportional to 6,237.87, 8,607.99 and 3,405.18 is: 4,699.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.87 : 8,607.99 = 3,405.18 : x
  2. Step 2: Convert to fraction form
    6,237.87/8,607.99 = 3,405.18/x
  3. Step 3: Cross multiply
    6,237.87x = 8,607.99 × 3,405.18
  4. Step 4: Simplify right side
    6,237.87x = 29,311,755.39
  5. Step 5: Solve for x
    x = 29,311,755.39/6,237.87
  6. Step 6: Final answer
    x = 4,699.00

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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.