Home / 1,665.08-2,297.11-1,168.05

Finding the Fourth Proportional to 1,665.08, 2,297.11 and 1,168.05

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Solution

The fourth proportional to 1,665.08, 2,297.11 and 1,168.05 is: 1,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665.08 : 2,297.11 = 1,168.05 : x
  2. Step 2: Convert to fraction form
    1,665.08/2,297.11 = 1,168.05/x
  3. Step 3: Cross multiply
    1,665.08x = 2,297.11 × 1,168.05
  4. Step 4: Simplify right side
    1,665.08x = 2,683,130.77
  5. Step 5: Solve for x
    x = 2,683,130.77/1,665.08
  6. Step 6: Final answer
    x = 1,611.41

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1.5x scale

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.