Home / 5,181.87-7,770.47-1,483.23

Finding the Fourth Proportional to 5,181.87, 7,770.47 and 1,483.23

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Solution

The fourth proportional to 5,181.87, 7,770.47 and 1,483.23 is: 2,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.87 : 7,770.47 = 1,483.23 : x
  2. Step 2: Convert to fraction form
    5,181.87/7,770.47 = 1,483.23/x
  3. Step 3: Cross multiply
    5,181.87x = 7,770.47 × 1,483.23
  4. Step 4: Simplify right side
    5,181.87x = 11,525,386.80
  5. Step 5: Solve for x
    x = 11,525,386.80/5,181.87
  6. Step 6: Final answer
    x = 2,224.18

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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.