Home / 5,370.15-7,408.24-3,578.46

Finding the Fourth Proportional to 5,370.15, 7,408.24 and 3,578.46

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Solution

The fourth proportional to 5,370.15, 7,408.24 and 3,578.46 is: 4,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.15 : 7,408.24 = 3,578.46 : x
  2. Step 2: Convert to fraction form
    5,370.15/7,408.24 = 3,578.46/x
  3. Step 3: Cross multiply
    5,370.15x = 7,408.24 × 3,578.46
  4. Step 4: Simplify right side
    5,370.15x = 26,510,090.51
  5. Step 5: Solve for x
    x = 26,510,090.51/5,370.15
  6. Step 6: Final answer
    x = 4,936.56

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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.