Home / 6,235.98-8,603.39-4,800.78

Finding the Fourth Proportional to 6,235.98, 8,603.39 and 4,800.78

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Solution

The fourth proportional to 6,235.98, 8,603.39 and 4,800.78 is: 6,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235.98 : 8,603.39 = 4,800.78 : x
  2. Step 2: Convert to fraction form
    6,235.98/8,603.39 = 4,800.78/x
  3. Step 3: Cross multiply
    6,235.98x = 8,603.39 × 4,800.78
  4. Step 4: Simplify right side
    6,235.98x = 41,302,985.22
  5. Step 5: Solve for x
    x = 41,302,985.22/6,235.98
  6. Step 6: Final answer
    x = 6,623.34

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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.