Home / 4,980.09-7,470.54-1,517.34

Finding the Fourth Proportional to 4,980.09, 7,470.54 and 1,517.34

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Solution

The fourth proportional to 4,980.09, 7,470.54 and 1,517.34 is: 2,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.09 : 7,470.54 = 1,517.34 : x
  2. Step 2: Convert to fraction form
    4,980.09/7,470.54 = 1,517.34/x
  3. Step 3: Cross multiply
    4,980.09x = 7,470.54 × 1,517.34
  4. Step 4: Simplify right side
    4,980.09x = 11,335,349.16
  5. Step 5: Solve for x
    x = 11,335,349.16/4,980.09
  6. Step 6: Final answer
    x = 2,276.13

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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.