Home / 2,598.12-3,898.49-1,137.28

Finding the Fourth Proportional to 2,598.12, 3,898.49 and 1,137.28

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Solution

The fourth proportional to 2,598.12, 3,898.49 and 1,137.28 is: 1,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,598.12 : 3,898.49 = 1,137.28 : x
  2. Step 2: Convert to fraction form
    2,598.12/3,898.49 = 1,137.28/x
  3. Step 3: Cross multiply
    2,598.12x = 3,898.49 × 1,137.28
  4. Step 4: Simplify right side
    2,598.12x = 4,433,674.71
  5. Step 5: Solve for x
    x = 4,433,674.71/2,598.12
  6. Step 6: Final answer
    x = 1,706.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.