Home / 1,482.45-2,222.09-1,116.11

Finding the Fourth Proportional to 1,482.45, 2,222.09 and 1,116.11

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Solution

The fourth proportional to 1,482.45, 2,222.09 and 1,116.11 is: 1,672.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.45 : 2,222.09 = 1,116.11 : x
  2. Step 2: Convert to fraction form
    1,482.45/2,222.09 = 1,116.11/x
  3. Step 3: Cross multiply
    1,482.45x = 2,222.09 × 1,116.11
  4. Step 4: Simplify right side
    1,482.45x = 2,480,080.18
  5. Step 5: Solve for x
    x = 2,480,080.18/1,482.45
  6. Step 6: Final answer
    x = 1,672.96

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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.