Home / 7,302.44-10,078.36-4,320.02

Finding the Fourth Proportional to 7,302.44, 10,078.36 and 4,320.02

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Solution

The fourth proportional to 7,302.44, 10,078.36 and 4,320.02 is: 5,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.44 : 10,078.36 = 4,320.02 : x
  2. Step 2: Convert to fraction form
    7,302.44/10,078.36 = 4,320.02/x
  3. Step 3: Cross multiply
    7,302.44x = 10,078.36 × 4,320.02
  4. Step 4: Simplify right side
    7,302.44x = 43,538,716.77
  5. Step 5: Solve for x
    x = 43,538,716.77/7,302.44
  6. Step 6: Final answer
    x = 5,962.21

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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.