Home / 4,771.51-7,152.10-1,999.69

Finding the Fourth Proportional to 4,771.51, 7,152.10 and 1,999.69

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Solution

The fourth proportional to 4,771.51, 7,152.10 and 1,999.69 is: 2,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.51 : 7,152.10 = 1,999.69 : x
  2. Step 2: Convert to fraction form
    4,771.51/7,152.10 = 1,999.69/x
  3. Step 3: Cross multiply
    4,771.51x = 7,152.10 × 1,999.69
  4. Step 4: Simplify right side
    4,771.51x = 14,301,959.97
  5. Step 5: Solve for x
    x = 14,301,959.97/4,771.51
  6. Step 6: Final answer
    x = 2,997.37

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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.