Home / 5,256.29-7,253.61-2,898.38

Finding the Fourth Proportional to 5,256.29, 7,253.61 and 2,898.38

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Solution

The fourth proportional to 5,256.29, 7,253.61 and 2,898.38 is: 3,999.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.29 : 7,253.61 = 2,898.38 : x
  2. Step 2: Convert to fraction form
    5,256.29/7,253.61 = 2,898.38/x
  3. Step 3: Cross multiply
    5,256.29x = 7,253.61 × 2,898.38
  4. Step 4: Simplify right side
    5,256.29x = 21,023,718.15
  5. Step 5: Solve for x
    x = 21,023,718.15/5,256.29
  6. Step 6: Final answer
    x = 3,999.73

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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.