Home / 1,440.06-2,158.20-1,046.06

Finding the Fourth Proportional to 1,440.06, 2,158.20 and 1,046.06

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Solution

The fourth proportional to 1,440.06, 2,158.20 and 1,046.06 is: 1,567.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.06 : 2,158.20 = 1,046.06 : x
  2. Step 2: Convert to fraction form
    1,440.06/2,158.20 = 1,046.06/x
  3. Step 3: Cross multiply
    1,440.06x = 2,158.20 × 1,046.06
  4. Step 4: Simplify right side
    1,440.06x = 2,257,606.69
  5. Step 5: Solve for x
    x = 2,257,606.69/1,440.06
  6. Step 6: Final answer
    x = 1,567.72

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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.