Home / 2,636.64-3,955.17-1,541.12

Finding the Fourth Proportional to 2,636.64, 3,955.17 and 1,541.12

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Solution

The fourth proportional to 2,636.64, 3,955.17 and 1,541.12 is: 2,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.64 : 3,955.17 = 1,541.12 : x
  2. Step 2: Convert to fraction form
    2,636.64/3,955.17 = 1,541.12/x
  3. Step 3: Cross multiply
    2,636.64x = 3,955.17 × 1,541.12
  4. Step 4: Simplify right side
    2,636.64x = 6,095,371.81
  5. Step 5: Solve for x
    x = 6,095,371.81/2,636.64
  6. Step 6: Final answer
    x = 2,311.80

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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.