Home / 5,351.36-7,384.86-3,255.48

Finding the Fourth Proportional to 5,351.36, 7,384.86 and 3,255.48

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Solution

The fourth proportional to 5,351.36, 7,384.86 and 3,255.48 is: 4,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.36 : 7,384.86 = 3,255.48 : x
  2. Step 2: Convert to fraction form
    5,351.36/7,384.86 = 3,255.48/x
  3. Step 3: Cross multiply
    5,351.36x = 7,384.86 × 3,255.48
  4. Step 4: Simplify right side
    5,351.36x = 24,041,264.03
  5. Step 5: Solve for x
    x = 24,041,264.03/5,351.36
  6. Step 6: Final answer
    x = 4,492.56

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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.