Home / 7,268.70-10,030.80-4,284.54

Finding the Fourth Proportional to 7,268.70, 10,030.80 and 4,284.54

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Solution

The fourth proportional to 7,268.70, 10,030.80 and 4,284.54 is: 5,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268.70 : 10,030.80 = 4,284.54 : x
  2. Step 2: Convert to fraction form
    7,268.70/10,030.80 = 4,284.54/x
  3. Step 3: Cross multiply
    7,268.70x = 10,030.80 × 4,284.54
  4. Step 4: Simplify right side
    7,268.70x = 42,977,363.83
  5. Step 5: Solve for x
    x = 42,977,363.83/7,268.70
  6. Step 6: Final answer
    x = 5,912.66

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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.