Home / 6,727.39-9,284.78-4,038.79

Finding the Fourth Proportional to 6,727.39, 9,284.78 and 4,038.79

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Solution

The fourth proportional to 6,727.39, 9,284.78 and 4,038.79 is: 5,574.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,727.39 : 9,284.78 = 4,038.79 : x
  2. Step 2: Convert to fraction form
    6,727.39/9,284.78 = 4,038.79/x
  3. Step 3: Cross multiply
    6,727.39x = 9,284.78 × 4,038.79
  4. Step 4: Simplify right side
    6,727.39x = 37,499,210.00
  5. Step 5: Solve for x
    x = 37,499,210.00/6,727.39
  6. Step 6: Final answer
    x = 5,574.11

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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.