Home / 7,470.52-11,205.84-2,541.28

Finding the Fourth Proportional to 7,470.52, 11,205.84 and 2,541.28

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Solution

The fourth proportional to 7,470.52, 11,205.84 and 2,541.28 is: 3,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.52 : 11,205.84 = 2,541.28 : x
  2. Step 2: Convert to fraction form
    7,470.52/11,205.84 = 2,541.28/x
  3. Step 3: Cross multiply
    7,470.52x = 11,205.84 × 2,541.28
  4. Step 4: Simplify right side
    7,470.52x = 28,477,177.08
  5. Step 5: Solve for x
    x = 28,477,177.08/7,470.52
  6. Step 6: Final answer
    x = 3,811.94

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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.