Home / 4,188.72-5,780.40-2,300.33

Finding the Fourth Proportional to 4,188.72, 5,780.40 and 2,300.33

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Solution

The fourth proportional to 4,188.72, 5,780.40 and 2,300.33 is: 3,174.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.72 : 5,780.40 = 2,300.33 : x
  2. Step 2: Convert to fraction form
    4,188.72/5,780.40 = 2,300.33/x
  3. Step 3: Cross multiply
    4,188.72x = 5,780.40 × 2,300.33
  4. Step 4: Simplify right side
    4,188.72x = 13,296,827.53
  5. Step 5: Solve for x
    x = 13,296,827.53/4,188.72
  6. Step 6: Final answer
    x = 3,174.44

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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.