Home / 2,526.41-3,782.61-1,291.16

Finding the Fourth Proportional to 2,526.41, 3,782.61 and 1,291.16

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Solution

The fourth proportional to 2,526.41, 3,782.61 and 1,291.16 is: 1,933.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.41 : 3,782.61 = 1,291.16 : x
  2. Step 2: Convert to fraction form
    2,526.41/3,782.61 = 1,291.16/x
  3. Step 3: Cross multiply
    2,526.41x = 3,782.61 × 1,291.16
  4. Step 4: Simplify right side
    2,526.41x = 4,883,935.81
  5. Step 5: Solve for x
    x = 4,883,935.81/2,526.41
  6. Step 6: Final answer
    x = 1,933.16

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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.