Home / 4,188.16-6,277.12-1,877.12

Finding the Fourth Proportional to 4,188.16, 6,277.12 and 1,877.12

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Solution

The fourth proportional to 4,188.16, 6,277.12 and 1,877.12 is: 2,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.16 : 6,277.12 = 1,877.12 : x
  2. Step 2: Convert to fraction form
    4,188.16/6,277.12 = 1,877.12/x
  3. Step 3: Cross multiply
    4,188.16x = 6,277.12 × 1,877.12
  4. Step 4: Simplify right side
    4,188.16x = 11,782,907.49
  5. Step 5: Solve for x
    x = 11,782,907.49/4,188.16
  6. Step 6: Final answer
    x = 2,813.39

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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.