Home / 5,057.48-6,976.72-3,378.36

Finding the Fourth Proportional to 5,057.48, 6,976.72 and 3,378.36

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Solution

The fourth proportional to 5,057.48, 6,976.72 and 3,378.36 is: 4,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.48 : 6,976.72 = 3,378.36 : x
  2. Step 2: Convert to fraction form
    5,057.48/6,976.72 = 3,378.36/x
  3. Step 3: Cross multiply
    5,057.48x = 6,976.72 × 3,378.36
  4. Step 4: Simplify right side
    5,057.48x = 23,569,871.78
  5. Step 5: Solve for x
    x = 23,569,871.78/5,057.48
  6. Step 6: Final answer
    x = 4,660.40

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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.