Home / 1,770.83-2,444.61-1,108.05

Finding the Fourth Proportional to 1,770.83, 2,444.61 and 1,108.05

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Solution

The fourth proportional to 1,770.83, 2,444.61 and 1,108.05 is: 1,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.83 : 2,444.61 = 1,108.05 : x
  2. Step 2: Convert to fraction form
    1,770.83/2,444.61 = 1,108.05/x
  3. Step 3: Cross multiply
    1,770.83x = 2,444.61 × 1,108.05
  4. Step 4: Simplify right side
    1,770.83x = 2,708,750.11
  5. Step 5: Solve for x
    x = 2,708,750.11/1,770.83
  6. Step 6: Final answer
    x = 1,529.65

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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.