Home / 2,190.69-3,022.02-1,482.57

Finding the Fourth Proportional to 2,190.69, 3,022.02 and 1,482.57

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Solution

The fourth proportional to 2,190.69, 3,022.02 and 1,482.57 is: 2,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.69 : 3,022.02 = 1,482.57 : x
  2. Step 2: Convert to fraction form
    2,190.69/3,022.02 = 1,482.57/x
  3. Step 3: Cross multiply
    2,190.69x = 3,022.02 × 1,482.57
  4. Step 4: Simplify right side
    2,190.69x = 4,480,356.19
  5. Step 5: Solve for x
    x = 4,480,356.19/2,190.69
  6. Step 6: Final answer
    x = 2,045.18

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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.