Home / 7,291.58-10,938.97-2,361.72

Finding the Fourth Proportional to 7,291.58, 10,938.97 and 2,361.72

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Solution

The fourth proportional to 7,291.58, 10,938.97 and 2,361.72 is: 3,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.58 : 10,938.97 = 2,361.72 : x
  2. Step 2: Convert to fraction form
    7,291.58/10,938.97 = 2,361.72/x
  3. Step 3: Cross multiply
    7,291.58x = 10,938.97 × 2,361.72
  4. Step 4: Simplify right side
    7,291.58x = 25,834,784.23
  5. Step 5: Solve for x
    x = 25,834,784.23/7,291.58
  6. Step 6: Final answer
    x = 3,543.10

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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.