Home / 5,181.12-7,772.98-1,483.66

Finding the Fourth Proportional to 5,181.12, 7,772.98 and 1,483.66

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Solution

The fourth proportional to 5,181.12, 7,772.98 and 1,483.66 is: 2,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.12 : 7,772.98 = 1,483.66 : x
  2. Step 2: Convert to fraction form
    5,181.12/7,772.98 = 1,483.66/x
  3. Step 3: Cross multiply
    5,181.12x = 7,772.98 × 1,483.66
  4. Step 4: Simplify right side
    5,181.12x = 11,532,459.51
  5. Step 5: Solve for x
    x = 11,532,459.51/5,181.12
  6. Step 6: Final answer
    x = 2,225.86

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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.