Home / 5,180.68-7,771.29-1,483.45

Finding the Fourth Proportional to 5,180.68, 7,771.29 and 1,483.45

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Solution

The fourth proportional to 5,180.68, 7,771.29 and 1,483.45 is: 2,225.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.68 : 7,771.29 = 1,483.45 : x
  2. Step 2: Convert to fraction form
    5,180.68/7,771.29 = 1,483.45/x
  3. Step 3: Cross multiply
    5,180.68x = 7,771.29 × 1,483.45
  4. Step 4: Simplify right side
    5,180.68x = 11,528,273.88
  5. Step 5: Solve for x
    x = 11,528,273.88/5,180.68
  6. Step 6: Final answer
    x = 2,225.25

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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.