Home / 1,461.22-2,189.30-1,048.32

Finding the Fourth Proportional to 1,461.22, 2,189.30 and 1,048.32

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Solution

The fourth proportional to 1,461.22, 2,189.30 and 1,048.32 is: 1,570.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.22 : 2,189.30 = 1,048.32 : x
  2. Step 2: Convert to fraction form
    1,461.22/2,189.30 = 1,048.32/x
  3. Step 3: Cross multiply
    1,461.22x = 2,189.30 × 1,048.32
  4. Step 4: Simplify right side
    1,461.22x = 2,295,081.73
  5. Step 5: Solve for x
    x = 2,295,081.73/1,461.22
  6. Step 6: Final answer
    x = 1,570.66

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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.