Home / 7,770.24-10,722.36-4,625.84

Finding the Fourth Proportional to 7,770.24, 10,722.36 and 4,625.84

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Solution

The fourth proportional to 7,770.24, 10,722.36 and 4,625.84 is: 6,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.24 : 10,722.36 = 4,625.84 : x
  2. Step 2: Convert to fraction form
    7,770.24/10,722.36 = 4,625.84/x
  3. Step 3: Cross multiply
    7,770.24x = 10,722.36 × 4,625.84
  4. Step 4: Simplify right side
    7,770.24x = 49,599,921.78
  5. Step 5: Solve for x
    x = 49,599,921.78/7,770.24
  6. Step 6: Final answer
    x = 6,383.32

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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.