Home / 5,401.36-7,454.82-3,411.28

Finding the Fourth Proportional to 5,401.36, 7,454.82 and 3,411.28

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Solution

The fourth proportional to 5,401.36, 7,454.82 and 3,411.28 is: 4,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.36 : 7,454.82 = 3,411.28 : x
  2. Step 2: Convert to fraction form
    5,401.36/7,454.82 = 3,411.28/x
  3. Step 3: Cross multiply
    5,401.36x = 7,454.82 × 3,411.28
  4. Step 4: Simplify right side
    5,401.36x = 25,430,478.37
  5. Step 5: Solve for x
    x = 25,430,478.37/5,401.36
  6. Step 6: Final answer
    x = 4,708.16

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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.