Home / 7,301.28-10,953.54-2,106.75

Finding the Fourth Proportional to 7,301.28, 10,953.54 and 2,106.75

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Solution

The fourth proportional to 7,301.28, 10,953.54 and 2,106.75 is: 3,160.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301.28 : 10,953.54 = 2,106.75 : x
  2. Step 2: Convert to fraction form
    7,301.28/10,953.54 = 2,106.75/x
  3. Step 3: Cross multiply
    7,301.28x = 10,953.54 × 2,106.75
  4. Step 4: Simplify right side
    7,301.28x = 23,076,370.40
  5. Step 5: Solve for x
    x = 23,076,370.40/7,301.28
  6. Step 6: Final answer
    x = 3,160.59

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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.