Home / 1,473.12-2,199.98-1,181.05

Finding the Fourth Proportional to 1,473.12, 2,199.98 and 1,181.05

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Solution

The fourth proportional to 1,473.12, 2,199.98 and 1,181.05 is: 1,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.12 : 2,199.98 = 1,181.05 : x
  2. Step 2: Convert to fraction form
    1,473.12/2,199.98 = 1,181.05/x
  3. Step 3: Cross multiply
    1,473.12x = 2,199.98 × 1,181.05
  4. Step 4: Simplify right side
    1,473.12x = 2,598,283.83
  5. Step 5: Solve for x
    x = 2,598,283.83/1,473.12
  6. Step 6: Final answer
    x = 1,763.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.