Home / 7,721.37-10,655.71-4,364.33

Finding the Fourth Proportional to 7,721.37, 10,655.71 and 4,364.33

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Solution

The fourth proportional to 7,721.37, 10,655.71 and 4,364.33 is: 6,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.37 : 10,655.71 = 4,364.33 : x
  2. Step 2: Convert to fraction form
    7,721.37/10,655.71 = 4,364.33/x
  3. Step 3: Cross multiply
    7,721.37x = 10,655.71 × 4,364.33
  4. Step 4: Simplify right side
    7,721.37x = 46,504,981.55
  5. Step 5: Solve for x
    x = 46,504,981.55/7,721.37
  6. Step 6: Final answer
    x = 6,022.89

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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.