Home / 5,372.94-7,415.34-3,015.84

Finding the Fourth Proportional to 5,372.94, 7,415.34 and 3,015.84

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Solution

The fourth proportional to 5,372.94, 7,415.34 and 3,015.84 is: 4,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.94 : 7,415.34 = 3,015.84 : x
  2. Step 2: Convert to fraction form
    5,372.94/7,415.34 = 3,015.84/x
  3. Step 3: Cross multiply
    5,372.94x = 7,415.34 × 3,015.84
  4. Step 4: Simplify right side
    5,372.94x = 22,363,478.99
  5. Step 5: Solve for x
    x = 22,363,478.99/5,372.94
  6. Step 6: Final answer
    x = 4,162.24

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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.