Home / 6,724.41-9,279.47-3,699.51

Finding the Fourth Proportional to 6,724.41, 9,279.47 and 3,699.51

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Solution

The fourth proportional to 6,724.41, 9,279.47 and 3,699.51 is: 5,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.41 : 9,279.47 = 3,699.51 : x
  2. Step 2: Convert to fraction form
    6,724.41/9,279.47 = 3,699.51/x
  3. Step 3: Cross multiply
    6,724.41x = 9,279.47 × 3,699.51
  4. Step 4: Simplify right side
    6,724.41x = 34,329,492.06
  5. Step 5: Solve for x
    x = 34,329,492.06/6,724.41
  6. Step 6: Final answer
    x = 5,105.21

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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.