Home / 4,927.96-6,800.49-2,689.77

Finding the Fourth Proportional to 4,927.96, 6,800.49 and 2,689.77

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Solution

The fourth proportional to 4,927.96, 6,800.49 and 2,689.77 is: 3,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.96 : 6,800.49 = 2,689.77 : x
  2. Step 2: Convert to fraction form
    4,927.96/6,800.49 = 2,689.77/x
  3. Step 3: Cross multiply
    4,927.96x = 6,800.49 × 2,689.77
  4. Step 4: Simplify right side
    4,927.96x = 18,291,779.49
  5. Step 5: Solve for x
    x = 18,291,779.49/4,927.96
  6. Step 6: Final answer
    x = 3,711.84

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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.