Home / 5,315.36-7,334.96-3,546.72

Finding the Fourth Proportional to 5,315.36, 7,334.96 and 3,546.72

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Solution

The fourth proportional to 5,315.36, 7,334.96 and 3,546.72 is: 4,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.36 : 7,334.96 = 3,546.72 : x
  2. Step 2: Convert to fraction form
    5,315.36/7,334.96 = 3,546.72/x
  3. Step 3: Cross multiply
    5,315.36x = 7,334.96 × 3,546.72
  4. Step 4: Simplify right side
    5,315.36x = 26,015,031.60
  5. Step 5: Solve for x
    x = 26,015,031.60/5,315.36
  6. Step 6: Final answer
    x = 4,894.32

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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.