Home / 7,541.51-11,316.38-3,645.95

Finding the Fourth Proportional to 7,541.51, 11,316.38 and 3,645.95

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Solution

The fourth proportional to 7,541.51, 11,316.38 and 3,645.95 is: 5,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.51 : 11,316.38 = 3,645.95 : x
  2. Step 2: Convert to fraction form
    7,541.51/11,316.38 = 3,645.95/x
  3. Step 3: Cross multiply
    7,541.51x = 11,316.38 × 3,645.95
  4. Step 4: Simplify right side
    7,541.51x = 41,258,880.85
  5. Step 5: Solve for x
    x = 41,258,880.85/7,541.51
  6. Step 6: Final answer
    x = 5,470.91

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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.