Home / 6,772.10-9,345.70-3,788.06

Finding the Fourth Proportional to 6,772.10, 9,345.70 and 3,788.06

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Solution

The fourth proportional to 6,772.10, 9,345.70 and 3,788.06 is: 5,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.10 : 9,345.70 = 3,788.06 : x
  2. Step 2: Convert to fraction form
    6,772.10/9,345.70 = 3,788.06/x
  3. Step 3: Cross multiply
    6,772.10x = 9,345.70 × 3,788.06
  4. Step 4: Simplify right side
    6,772.10x = 35,402,072.34
  5. Step 5: Solve for x
    x = 35,402,072.34/6,772.10
  6. Step 6: Final answer
    x = 5,227.64

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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.