Home / 5,173.93-7,760.90-1,887.27

Finding the Fourth Proportional to 5,173.93, 7,760.90 and 1,887.27

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Solution

The fourth proportional to 5,173.93, 7,760.90 and 1,887.27 is: 2,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.93 : 7,760.90 = 1,887.27 : x
  2. Step 2: Convert to fraction form
    5,173.93/7,760.90 = 1,887.27/x
  3. Step 3: Cross multiply
    5,173.93x = 7,760.90 × 1,887.27
  4. Step 4: Simplify right side
    5,173.93x = 14,646,878.74
  5. Step 5: Solve for x
    x = 14,646,878.74/5,173.93
  6. Step 6: Final answer
    x = 2,830.90

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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.