Home / 5,371.92-7,415.75-4,387.77

Finding the Fourth Proportional to 5,371.92, 7,415.75 and 4,387.77

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Solution

The fourth proportional to 5,371.92, 7,415.75 and 4,387.77 is: 6,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.92 : 7,415.75 = 4,387.77 : x
  2. Step 2: Convert to fraction form
    5,371.92/7,415.75 = 4,387.77/x
  3. Step 3: Cross multiply
    5,371.92x = 7,415.75 × 4,387.77
  4. Step 4: Simplify right side
    5,371.92x = 32,538,616.35
  5. Step 5: Solve for x
    x = 32,538,616.35/5,371.92
  6. Step 6: Final answer
    x = 6,057.17

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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.