Home / 7,039.49-9,705.68-4,517.15

Finding the Fourth Proportional to 7,039.49, 9,705.68 and 4,517.15

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Solution

The fourth proportional to 7,039.49, 9,705.68 and 4,517.15 is: 6,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.49 : 9,705.68 = 4,517.15 : x
  2. Step 2: Convert to fraction form
    7,039.49/9,705.68 = 4,517.15/x
  3. Step 3: Cross multiply
    7,039.49x = 9,705.68 × 4,517.15
  4. Step 4: Simplify right side
    7,039.49x = 43,842,014.09
  5. Step 5: Solve for x
    x = 43,842,014.09/7,039.49
  6. Step 6: Final answer
    x = 6,228.01

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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.