Home / 4,909.95-6,779.57-3,022.43

Finding the Fourth Proportional to 4,909.95, 6,779.57 and 3,022.43

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Solution

The fourth proportional to 4,909.95, 6,779.57 and 3,022.43 is: 4,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.95 : 6,779.57 = 3,022.43 : x
  2. Step 2: Convert to fraction form
    4,909.95/6,779.57 = 3,022.43/x
  3. Step 3: Cross multiply
    4,909.95x = 6,779.57 × 3,022.43
  4. Step 4: Simplify right side
    4,909.95x = 20,490,726.75
  5. Step 5: Solve for x
    x = 20,490,726.75/4,909.95
  6. Step 6: Final answer
    x = 4,173.31

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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.