Home / 5,415.36-7,470.08-3,260.41

Finding the Fourth Proportional to 5,415.36, 7,470.08 and 3,260.41

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Solution

The fourth proportional to 5,415.36, 7,470.08 and 3,260.41 is: 4,497.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.36 : 7,470.08 = 3,260.41 : x
  2. Step 2: Convert to fraction form
    5,415.36/7,470.08 = 3,260.41/x
  3. Step 3: Cross multiply
    5,415.36x = 7,470.08 × 3,260.41
  4. Step 4: Simplify right side
    5,415.36x = 24,355,513.01
  5. Step 5: Solve for x
    x = 24,355,513.01/5,415.36
  6. Step 6: Final answer
    x = 4,497.48

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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.