Home / 5,256.28-7,253.66-2,898.43

Finding the Fourth Proportional to 5,256.28, 7,253.66 and 2,898.43

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Solution

The fourth proportional to 5,256.28, 7,253.66 and 2,898.43 is: 3,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.28 : 7,253.66 = 2,898.43 : x
  2. Step 2: Convert to fraction form
    5,256.28/7,253.66 = 2,898.43/x
  3. Step 3: Cross multiply
    5,256.28x = 7,253.66 × 2,898.43
  4. Step 4: Simplify right side
    5,256.28x = 21,024,225.75
  5. Step 5: Solve for x
    x = 21,024,225.75/5,256.28
  6. Step 6: Final answer
    x = 3,999.83

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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.