Home / 5,201.42-7,801.65-2,702.48

Finding the Fourth Proportional to 5,201.42, 7,801.65 and 2,702.48

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Solution

The fourth proportional to 5,201.42, 7,801.65 and 2,702.48 is: 4,053.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.42 : 7,801.65 = 2,702.48 : x
  2. Step 2: Convert to fraction form
    5,201.42/7,801.65 = 2,702.48/x
  3. Step 3: Cross multiply
    5,201.42x = 7,801.65 × 2,702.48
  4. Step 4: Simplify right side
    5,201.42x = 21,083,803.09
  5. Step 5: Solve for x
    x = 21,083,803.09/5,201.42
  6. Step 6: Final answer
    x = 4,053.47

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1.5x scale

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.