Home / 2,958.35-4,437.64-984.15

Finding the Fourth Proportional to 2,958.35, 4,437.64 and 984.15

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Solution

The fourth proportional to 2,958.35, 4,437.64 and 984.15 is: 1,476.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.35 : 4,437.64 = 984.15 : x
  2. Step 2: Convert to fraction form
    2,958.35/4,437.64 = 984.15/x
  3. Step 3: Cross multiply
    2,958.35x = 4,437.64 × 984.15
  4. Step 4: Simplify right side
    2,958.35x = 4,367,303.41
  5. Step 5: Solve for x
    x = 4,367,303.41/2,958.35
  6. Step 6: Final answer
    x = 1,476.26

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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.