Home / 7,754.40-10,698.36-4,768.56

Finding the Fourth Proportional to 7,754.40, 10,698.36 and 4,768.56

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Solution

The fourth proportional to 7,754.40, 10,698.36 and 4,768.56 is: 6,578.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.40 : 10,698.36 = 4,768.56 : x
  2. Step 2: Convert to fraction form
    7,754.40/10,698.36 = 4,768.56/x
  3. Step 3: Cross multiply
    7,754.40x = 10,698.36 × 4,768.56
  4. Step 4: Simplify right side
    7,754.40x = 51,015,771.56
  5. Step 5: Solve for x
    x = 51,015,771.56/7,754.40
  6. Step 6: Final answer
    x = 6,578.95

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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.