Home / 7,731.51-11,588.81-3,983.52

Finding the Fourth Proportional to 7,731.51, 11,588.81 and 3,983.52

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Solution

The fourth proportional to 7,731.51, 11,588.81 and 3,983.52 is: 5,970.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.51 : 11,588.81 = 3,983.52 : x
  2. Step 2: Convert to fraction form
    7,731.51/11,588.81 = 3,983.52/x
  3. Step 3: Cross multiply
    7,731.51x = 11,588.81 × 3,983.52
  4. Step 4: Simplify right side
    7,731.51x = 46,164,236.49
  5. Step 5: Solve for x
    x = 46,164,236.49/7,731.51
  6. Step 6: Final answer
    x = 5,970.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.