Home / 1,530.63-2,112.14-1,033.95

Finding the Fourth Proportional to 1,530.63, 2,112.14 and 1,033.95

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Solution

The fourth proportional to 1,530.63, 2,112.14 and 1,033.95 is: 1,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.63 : 2,112.14 = 1,033.95 : x
  2. Step 2: Convert to fraction form
    1,530.63/2,112.14 = 1,033.95/x
  3. Step 3: Cross multiply
    1,530.63x = 2,112.14 × 1,033.95
  4. Step 4: Simplify right side
    1,530.63x = 2,183,843.50
  5. Step 5: Solve for x
    x = 2,183,843.50/1,530.63
  6. Step 6: Final answer
    x = 1,426.76

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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.