Home / 2,099.76-2,897.66-1,168.26

Finding the Fourth Proportional to 2,099.76, 2,897.66 and 1,168.26

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Solution

The fourth proportional to 2,099.76, 2,897.66 and 1,168.26 is: 1,612.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.76 : 2,897.66 = 1,168.26 : x
  2. Step 2: Convert to fraction form
    2,099.76/2,897.66 = 1,168.26/x
  3. Step 3: Cross multiply
    2,099.76x = 2,897.66 × 1,168.26
  4. Step 4: Simplify right side
    2,099.76x = 3,385,220.27
  5. Step 5: Solve for x
    x = 3,385,220.27/2,099.76
  6. Step 6: Final answer
    x = 1,612.19

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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.