Home / 4,653-6,979.50-1,190.25

Finding the Fourth Proportional to 4,653, 6,979.50 and 1,190.25

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Solution

The fourth proportional to 4,653, 6,979.50 and 1,190.25 is: 1,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653 : 6,979.50 = 1,190.25 : x
  2. Step 2: Convert to fraction form
    4,653/6,979.50 = 1,190.25/x
  3. Step 3: Cross multiply
    4,653x = 6,979.50 × 1,190.25
  4. Step 4: Simplify right side
    4,653x = 8,307,349.88
  5. Step 5: Solve for x
    x = 8,307,349.88/4,653
  6. Step 6: Final answer
    x = 1,785.38

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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.