Home / 7,316.22-10,975.95-3,418.50

Finding the Fourth Proportional to 7,316.22, 10,975.95 and 3,418.50

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Solution

The fourth proportional to 7,316.22, 10,975.95 and 3,418.50 is: 5,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.22 : 10,975.95 = 3,418.50 : x
  2. Step 2: Convert to fraction form
    7,316.22/10,975.95 = 3,418.50/x
  3. Step 3: Cross multiply
    7,316.22x = 10,975.95 × 3,418.50
  4. Step 4: Simplify right side
    7,316.22x = 37,521,285.08
  5. Step 5: Solve for x
    x = 37,521,285.08/7,316.22
  6. Step 6: Final answer
    x = 5,128.51

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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.