Home / 1,914.04-2,640.45-1,168.03

Finding the Fourth Proportional to 1,914.04, 2,640.45 and 1,168.03

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Solution

The fourth proportional to 1,914.04, 2,640.45 and 1,168.03 is: 1,611.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.04 : 2,640.45 = 1,168.03 : x
  2. Step 2: Convert to fraction form
    1,914.04/2,640.45 = 1,168.03/x
  3. Step 3: Cross multiply
    1,914.04x = 2,640.45 × 1,168.03
  4. Step 4: Simplify right side
    1,914.04x = 3,084,124.81
  5. Step 5: Solve for x
    x = 3,084,124.81/1,914.04
  6. Step 6: Final answer
    x = 1,611.32

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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.