Home / 1,913.83-2,641.23-1,106.53

Finding the Fourth Proportional to 1,913.83, 2,641.23 and 1,106.53

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Solution

The fourth proportional to 1,913.83, 2,641.23 and 1,106.53 is: 1,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.83 : 2,641.23 = 1,106.53 : x
  2. Step 2: Convert to fraction form
    1,913.83/2,641.23 = 1,106.53/x
  3. Step 3: Cross multiply
    1,913.83x = 2,641.23 × 1,106.53
  4. Step 4: Simplify right side
    1,913.83x = 2,922,593.63
  5. Step 5: Solve for x
    x = 2,922,593.63/1,913.83
  6. Step 6: Final answer
    x = 1,527.09

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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.