Home / 4,775.93-7,150.02-2,921.39

Finding the Fourth Proportional to 4,775.93, 7,150.02 and 2,921.39

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Solution

The fourth proportional to 4,775.93, 7,150.02 and 2,921.39 is: 4,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.93 : 7,150.02 = 2,921.39 : x
  2. Step 2: Convert to fraction form
    4,775.93/7,150.02 = 2,921.39/x
  3. Step 3: Cross multiply
    4,775.93x = 7,150.02 × 2,921.39
  4. Step 4: Simplify right side
    4,775.93x = 20,887,996.93
  5. Step 5: Solve for x
    x = 20,887,996.93/4,775.93
  6. Step 6: Final answer
    x = 4,373.60

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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.