Home / 5,415.49-7,473.22-3,057.85

Finding the Fourth Proportional to 5,415.49, 7,473.22 and 3,057.85

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Solution

The fourth proportional to 5,415.49, 7,473.22 and 3,057.85 is: 4,219.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.49 : 7,473.22 = 3,057.85 : x
  2. Step 2: Convert to fraction form
    5,415.49/7,473.22 = 3,057.85/x
  3. Step 3: Cross multiply
    5,415.49x = 7,473.22 × 3,057.85
  4. Step 4: Simplify right side
    5,415.49x = 22,851,985.78
  5. Step 5: Solve for x
    x = 22,851,985.78/5,415.49
  6. Step 6: Final answer
    x = 4,219.74

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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.