Home / 7,921.77-10,932.03-4,564.55

Finding the Fourth Proportional to 7,921.77, 10,932.03 and 4,564.55

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Solution

The fourth proportional to 7,921.77, 10,932.03 and 4,564.55 is: 6,299.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.77 : 10,932.03 = 4,564.55 : x
  2. Step 2: Convert to fraction form
    7,921.77/10,932.03 = 4,564.55/x
  3. Step 3: Cross multiply
    7,921.77x = 10,932.03 × 4,564.55
  4. Step 4: Simplify right side
    7,921.77x = 49,899,824.87
  5. Step 5: Solve for x
    x = 49,899,824.87/7,921.77
  6. Step 6: Final answer
    x = 6,299.08

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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.