Home / 5,256.35-7,253.78-2,898.49

Finding the Fourth Proportional to 5,256.35, 7,253.78 and 2,898.49

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Solution

The fourth proportional to 5,256.35, 7,253.78 and 2,898.49 is: 3,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.35 : 7,253.78 = 2,898.49 : x
  2. Step 2: Convert to fraction form
    5,256.35/7,253.78 = 2,898.49/x
  3. Step 3: Cross multiply
    5,256.35x = 7,253.78 × 2,898.49
  4. Step 4: Simplify right side
    5,256.35x = 21,025,008.79
  5. Step 5: Solve for x
    x = 21,025,008.79/5,256.35
  6. Step 6: Final answer
    x = 3,999.93

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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.