Home / 5,237.73-7,857.45-1,726.74

Finding the Fourth Proportional to 5,237.73, 7,857.45 and 1,726.74

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Solution

The fourth proportional to 5,237.73, 7,857.45 and 1,726.74 is: 2,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.73 : 7,857.45 = 1,726.74 : x
  2. Step 2: Convert to fraction form
    5,237.73/7,857.45 = 1,726.74/x
  3. Step 3: Cross multiply
    5,237.73x = 7,857.45 × 1,726.74
  4. Step 4: Simplify right side
    5,237.73x = 13,567,773.21
  5. Step 5: Solve for x
    x = 13,567,773.21/5,237.73
  6. Step 6: Final answer
    x = 2,590.39

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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.