Home / 3,771.51-5,657.40-1,174.65

Finding the Fourth Proportional to 3,771.51, 5,657.40 and 1,174.65

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Solution

The fourth proportional to 3,771.51, 5,657.40 and 1,174.65 is: 1,762.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.51 : 5,657.40 = 1,174.65 : x
  2. Step 2: Convert to fraction form
    3,771.51/5,657.40 = 1,174.65/x
  3. Step 3: Cross multiply
    3,771.51x = 5,657.40 × 1,174.65
  4. Step 4: Simplify right side
    3,771.51x = 6,645,464.91
  5. Step 5: Solve for x
    x = 6,645,464.91/3,771.51
  6. Step 6: Final answer
    x = 1,762.02

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1.5x scale

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.