Home / 1,835.19-2,532.83-1,392.35

Finding the Fourth Proportional to 1,835.19, 2,532.83 and 1,392.35

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Solution

The fourth proportional to 1,835.19, 2,532.83 and 1,392.35 is: 1,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.19 : 2,532.83 = 1,392.35 : x
  2. Step 2: Convert to fraction form
    1,835.19/2,532.83 = 1,392.35/x
  3. Step 3: Cross multiply
    1,835.19x = 2,532.83 × 1,392.35
  4. Step 4: Simplify right side
    1,835.19x = 3,526,566.22
  5. Step 5: Solve for x
    x = 3,526,566.22/1,835.19
  6. Step 6: Final answer
    x = 1,921.64

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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.