Home / 4,980.07-7,465.78-2,923.75

Finding the Fourth Proportional to 4,980.07, 7,465.78 and 2,923.75

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Solution

The fourth proportional to 4,980.07, 7,465.78 and 2,923.75 is: 4,383.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.07 : 7,465.78 = 2,923.75 : x
  2. Step 2: Convert to fraction form
    4,980.07/7,465.78 = 2,923.75/x
  3. Step 3: Cross multiply
    4,980.07x = 7,465.78 × 2,923.75
  4. Step 4: Simplify right side
    4,980.07x = 21,828,074.28
  5. Step 5: Solve for x
    x = 21,828,074.28/4,980.07
  6. Step 6: Final answer
    x = 4,383.09

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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.