Home / 2,283.02-3,423.70-1,112.68

Finding the Fourth Proportional to 2,283.02, 3,423.70 and 1,112.68

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Solution

The fourth proportional to 2,283.02, 3,423.70 and 1,112.68 is: 1,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.02 : 3,423.70 = 1,112.68 : x
  2. Step 2: Convert to fraction form
    2,283.02/3,423.70 = 1,112.68/x
  3. Step 3: Cross multiply
    2,283.02x = 3,423.70 × 1,112.68
  4. Step 4: Simplify right side
    2,283.02x = 3,809,482.52
  5. Step 5: Solve for x
    x = 3,809,482.52/2,283.02
  6. Step 6: Final answer
    x = 1,668.62

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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.