Home / 5,374.67-7,416.38-3,137.09

Finding the Fourth Proportional to 5,374.67, 7,416.38 and 3,137.09

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Solution

The fourth proportional to 5,374.67, 7,416.38 and 3,137.09 is: 4,328.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.67 : 7,416.38 = 3,137.09 : x
  2. Step 2: Convert to fraction form
    5,374.67/7,416.38 = 3,137.09/x
  3. Step 3: Cross multiply
    5,374.67x = 7,416.38 × 3,137.09
  4. Step 4: Simplify right side
    5,374.67x = 23,265,798.77
  5. Step 5: Solve for x
    x = 23,265,798.77/5,374.67
  6. Step 6: Final answer
    x = 4,328.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.