Home / 5,713.09-7,886.63-3,355.38

Finding the Fourth Proportional to 5,713.09, 7,886.63 and 3,355.38

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Solution

The fourth proportional to 5,713.09, 7,886.63 and 3,355.38 is: 4,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.09 : 7,886.63 = 3,355.38 : x
  2. Step 2: Convert to fraction form
    5,713.09/7,886.63 = 3,355.38/x
  3. Step 3: Cross multiply
    5,713.09x = 7,886.63 × 3,355.38
  4. Step 4: Simplify right side
    5,713.09x = 26,462,640.57
  5. Step 5: Solve for x
    x = 26,462,640.57/5,713.09
  6. Step 6: Final answer
    x = 4,631.93

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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.