Home / 6,845.50-9,446.79-4,051

Finding the Fourth Proportional to 6,845.50, 9,446.79 and 4,051

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Solution

The fourth proportional to 6,845.50, 9,446.79 and 4,051 is: 5,590.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.50 : 9,446.79 = 4,051 : x
  2. Step 2: Convert to fraction form
    6,845.50/9,446.79 = 4,051/x
  3. Step 3: Cross multiply
    6,845.50x = 9,446.79 × 4,051
  4. Step 4: Simplify right side
    6,845.50x = 38,268,946.29
  5. Step 5: Solve for x
    x = 38,268,946.29/6,845.50
  6. Step 6: Final answer
    x = 5,590.38

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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.