Home / 7,770.15-10,722.93-4,233.36

Finding the Fourth Proportional to 7,770.15, 10,722.93 and 4,233.36

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Solution

The fourth proportional to 7,770.15, 10,722.93 and 4,233.36 is: 5,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.15 : 10,722.93 = 4,233.36 : x
  2. Step 2: Convert to fraction form
    7,770.15/10,722.93 = 4,233.36/x
  3. Step 3: Cross multiply
    7,770.15x = 10,722.93 × 4,233.36
  4. Step 4: Simplify right side
    7,770.15x = 45,394,022.94
  5. Step 5: Solve for x
    x = 45,394,022.94/7,770.15
  6. Step 6: Final answer
    x = 5,842.10

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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.