Home / 5,256.47-7,253.90-2,898.61

Finding the Fourth Proportional to 5,256.47, 7,253.90 and 2,898.61

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Solution

The fourth proportional to 5,256.47, 7,253.90 and 2,898.61 is: 4,000.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.47 : 7,253.90 = 2,898.61 : x
  2. Step 2: Convert to fraction form
    5,256.47/7,253.90 = 2,898.61/x
  3. Step 3: Cross multiply
    5,256.47x = 7,253.90 × 2,898.61
  4. Step 4: Simplify right side
    5,256.47x = 21,026,242.03
  5. Step 5: Solve for x
    x = 21,026,242.03/5,256.47
  6. Step 6: Final answer
    x = 4,000.07

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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.