Home / 1,826.86-2,740.28-1,133.08

Finding the Fourth Proportional to 1,826.86, 2,740.28 and 1,133.08

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Solution

The fourth proportional to 1,826.86, 2,740.28 and 1,133.08 is: 1,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.86 : 2,740.28 = 1,133.08 : x
  2. Step 2: Convert to fraction form
    1,826.86/2,740.28 = 1,133.08/x
  3. Step 3: Cross multiply
    1,826.86x = 2,740.28 × 1,133.08
  4. Step 4: Simplify right side
    1,826.86x = 3,104,956.46
  5. Step 5: Solve for x
    x = 3,104,956.46/1,826.86
  6. Step 6: Final answer
    x = 1,699.61

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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.