Home / 3,317.56-4,976.40-1,009.12

Finding the Fourth Proportional to 3,317.56, 4,976.40 and 1,009.12

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Solution

The fourth proportional to 3,317.56, 4,976.40 and 1,009.12 is: 1,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.56 : 4,976.40 = 1,009.12 : x
  2. Step 2: Convert to fraction form
    3,317.56/4,976.40 = 1,009.12/x
  3. Step 3: Cross multiply
    3,317.56x = 4,976.40 × 1,009.12
  4. Step 4: Simplify right side
    3,317.56x = 5,021,784.77
  5. Step 5: Solve for x
    x = 5,021,784.77/3,317.56
  6. Step 6: Final answer
    x = 1,513.70

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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.