Home / 5,322.54-7,334.64-5,191.32

Finding the Fourth Proportional to 5,322.54, 7,334.64 and 5,191.32

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Solution

The fourth proportional to 5,322.54, 7,334.64 and 5,191.32 is: 7,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.54 : 7,334.64 = 5,191.32 : x
  2. Step 2: Convert to fraction form
    5,322.54/7,334.64 = 5,191.32/x
  3. Step 3: Cross multiply
    5,322.54x = 7,334.64 × 5,191.32
  4. Step 4: Simplify right side
    5,322.54x = 38,076,463.32
  5. Step 5: Solve for x
    x = 38,076,463.32/5,322.54
  6. Step 6: Final answer
    x = 7,153.81

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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.