Home / 5,374.17-7,415.73-3,015.90

Finding the Fourth Proportional to 5,374.17, 7,415.73 and 3,015.90

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Solution

The fourth proportional to 5,374.17, 7,415.73 and 3,015.90 is: 4,161.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.17 : 7,415.73 = 3,015.90 : x
  2. Step 2: Convert to fraction form
    5,374.17/7,415.73 = 3,015.90/x
  3. Step 3: Cross multiply
    5,374.17x = 7,415.73 × 3,015.90
  4. Step 4: Simplify right side
    5,374.17x = 22,365,100.11
  5. Step 5: Solve for x
    x = 22,365,100.11/5,374.17
  6. Step 6: Final answer
    x = 4,161.59

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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.