Home / 1,609.04-2,220.72-1,168.94

Finding the Fourth Proportional to 1,609.04, 2,220.72 and 1,168.94

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Solution

The fourth proportional to 1,609.04, 2,220.72 and 1,168.94 is: 1,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.04 : 2,220.72 = 1,168.94 : x
  2. Step 2: Convert to fraction form
    1,609.04/2,220.72 = 1,168.94/x
  3. Step 3: Cross multiply
    1,609.04x = 2,220.72 × 1,168.94
  4. Step 4: Simplify right side
    1,609.04x = 2,595,888.44
  5. Step 5: Solve for x
    x = 2,595,888.44/1,609.04
  6. Step 6: Final answer
    x = 1,613.32

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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.