Home / 4,702.16-7,053.24-1,239.68

Finding the Fourth Proportional to 4,702.16, 7,053.24 and 1,239.68

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Solution

The fourth proportional to 4,702.16, 7,053.24 and 1,239.68 is: 1,859.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.16 : 7,053.24 = 1,239.68 : x
  2. Step 2: Convert to fraction form
    4,702.16/7,053.24 = 1,239.68/x
  3. Step 3: Cross multiply
    4,702.16x = 7,053.24 × 1,239.68
  4. Step 4: Simplify right side
    4,702.16x = 8,743,760.56
  5. Step 5: Solve for x
    x = 8,743,760.56/4,702.16
  6. Step 6: Final answer
    x = 1,859.52

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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.