Home / 5,181.99-7,771.68-1,484.24

Finding the Fourth Proportional to 5,181.99, 7,771.68 and 1,484.24

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Solution

The fourth proportional to 5,181.99, 7,771.68 and 1,484.24 is: 2,225.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.99 : 7,771.68 = 1,484.24 : x
  2. Step 2: Convert to fraction form
    5,181.99/7,771.68 = 1,484.24/x
  3. Step 3: Cross multiply
    5,181.99x = 7,771.68 × 1,484.24
  4. Step 4: Simplify right side
    5,181.99x = 11,535,038.32
  5. Step 5: Solve for x
    x = 11,535,038.32/5,181.99
  6. Step 6: Final answer
    x = 2,225.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.