Home / 5,022.43-6,931.27-2,898.34

Finding the Fourth Proportional to 5,022.43, 6,931.27 and 2,898.34

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Solution

The fourth proportional to 5,022.43, 6,931.27 and 2,898.34 is: 3,999.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.43 : 6,931.27 = 2,898.34 : x
  2. Step 2: Convert to fraction form
    5,022.43/6,931.27 = 2,898.34/x
  3. Step 3: Cross multiply
    5,022.43x = 6,931.27 × 2,898.34
  4. Step 4: Simplify right side
    5,022.43x = 20,089,177.09
  5. Step 5: Solve for x
    x = 20,089,177.09/5,022.43
  6. Step 6: Final answer
    x = 3,999.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.