Home / 4,768.71-6,574-3,928.08

Finding the Fourth Proportional to 4,768.71, 6,574 and 3,928.08

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Solution

The fourth proportional to 4,768.71, 6,574 and 3,928.08 is: 5,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.71 : 6,574 = 3,928.08 : x
  2. Step 2: Convert to fraction form
    4,768.71/6,574 = 3,928.08/x
  3. Step 3: Cross multiply
    4,768.71x = 6,574 × 3,928.08
  4. Step 4: Simplify right side
    4,768.71x = 25,823,197.92
  5. Step 5: Solve for x
    x = 25,823,197.92/4,768.71
  6. Step 6: Final answer
    x = 5,415.13

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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.