Home / 1,683.47-2,523.95-1,161.98

Finding the Fourth Proportional to 1,683.47, 2,523.95 and 1,161.98

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Solution

The fourth proportional to 1,683.47, 2,523.95 and 1,161.98 is: 1,742.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.47 : 2,523.95 = 1,161.98 : x
  2. Step 2: Convert to fraction form
    1,683.47/2,523.95 = 1,161.98/x
  3. Step 3: Cross multiply
    1,683.47x = 2,523.95 × 1,161.98
  4. Step 4: Simplify right side
    1,683.47x = 2,932,783.83
  5. Step 5: Solve for x
    x = 2,932,783.83/1,683.47
  6. Step 6: Final answer
    x = 1,742.11

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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.