Home / 7,770.25-10,722.95-4,233.46

Finding the Fourth Proportional to 7,770.25, 10,722.95 and 4,233.46

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Solution

The fourth proportional to 7,770.25, 10,722.95 and 4,233.46 is: 5,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.25 : 10,722.95 = 4,233.46 : x
  2. Step 2: Convert to fraction form
    7,770.25/10,722.95 = 4,233.46/x
  3. Step 3: Cross multiply
    7,770.25x = 10,722.95 × 4,233.46
  4. Step 4: Simplify right side
    7,770.25x = 45,395,158.74
  5. Step 5: Solve for x
    x = 45,395,158.74/7,770.25
  6. Step 6: Final answer
    x = 5,842.17

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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.