Home / 5,415.14-7,473.12-3,057.28

Finding the Fourth Proportional to 5,415.14, 7,473.12 and 3,057.28

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Solution

The fourth proportional to 5,415.14, 7,473.12 and 3,057.28 is: 4,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.14 : 7,473.12 = 3,057.28 : x
  2. Step 2: Convert to fraction form
    5,415.14/7,473.12 = 3,057.28/x
  3. Step 3: Cross multiply
    5,415.14x = 7,473.12 × 3,057.28
  4. Step 4: Simplify right side
    5,415.14x = 22,847,420.31
  5. Step 5: Solve for x
    x = 22,847,420.31/5,415.14
  6. Step 6: Final answer
    x = 4,219.17

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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.