Home / 5,441.22-7,505.64-4,120.02

Finding the Fourth Proportional to 5,441.22, 7,505.64 and 4,120.02

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Solution

The fourth proportional to 5,441.22, 7,505.64 and 4,120.02 is: 5,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.22 : 7,505.64 = 4,120.02 : x
  2. Step 2: Convert to fraction form
    5,441.22/7,505.64 = 4,120.02/x
  3. Step 3: Cross multiply
    5,441.22x = 7,505.64 × 4,120.02
  4. Step 4: Simplify right side
    5,441.22x = 30,923,386.91
  5. Step 5: Solve for x
    x = 30,923,386.91/5,441.22
  6. Step 6: Final answer
    x = 5,683.17

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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.