Home / 5,374.49-7,415.44-3,135.06

Finding the Fourth Proportional to 5,374.49, 7,415.44 and 3,135.06

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Solution

The fourth proportional to 5,374.49, 7,415.44 and 3,135.06 is: 4,325.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.49 : 7,415.44 = 3,135.06 : x
  2. Step 2: Convert to fraction form
    5,374.49/7,415.44 = 3,135.06/x
  3. Step 3: Cross multiply
    5,374.49x = 7,415.44 × 3,135.06
  4. Step 4: Simplify right side
    5,374.49x = 23,247,841.49
  5. Step 5: Solve for x
    x = 23,247,841.49/5,374.49
  6. Step 6: Final answer
    x = 4,325.59

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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.