Home / 5,181.54-7,153.26-4,162.20

Finding the Fourth Proportional to 5,181.54, 7,153.26 and 4,162.20

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Solution

The fourth proportional to 5,181.54, 7,153.26 and 4,162.20 is: 5,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.54 : 7,153.26 = 4,162.20 : x
  2. Step 2: Convert to fraction form
    5,181.54/7,153.26 = 4,162.20/x
  3. Step 3: Cross multiply
    5,181.54x = 7,153.26 × 4,162.20
  4. Step 4: Simplify right side
    5,181.54x = 29,773,298.77
  5. Step 5: Solve for x
    x = 29,773,298.77/5,181.54
  6. Step 6: Final answer
    x = 5,746.03

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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.