Home / 1,758.08-2,422.03-1,226.00

Finding the Fourth Proportional to 1,758.08, 2,422.03 and 1,226.00

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Solution

The fourth proportional to 1,758.08, 2,422.03 and 1,226.00 is: 1,689.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.08 : 2,422.03 = 1,226.00 : x
  2. Step 2: Convert to fraction form
    1,758.08/2,422.03 = 1,226.00/x
  3. Step 3: Cross multiply
    1,758.08x = 2,422.03 × 1,226.00
  4. Step 4: Simplify right side
    1,758.08x = 2,969,393.60
  5. Step 5: Solve for x
    x = 2,969,393.60/1,758.08
  6. Step 6: Final answer
    x = 1,689.00

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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.