Home / 5,190.48-7,150.32-4,442.04

Finding the Fourth Proportional to 5,190.48, 7,150.32 and 4,442.04

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Solution

The fourth proportional to 5,190.48, 7,150.32 and 4,442.04 is: 6,119.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.48 : 7,150.32 = 4,442.04 : x
  2. Step 2: Convert to fraction form
    5,190.48/7,150.32 = 4,442.04/x
  3. Step 3: Cross multiply
    5,190.48x = 7,150.32 × 4,442.04
  4. Step 4: Simplify right side
    5,190.48x = 31,762,007.45
  5. Step 5: Solve for x
    x = 31,762,007.45/5,190.48
  6. Step 6: Final answer
    x = 6,119.28

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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.