Home / 5,317.82-7,338.93-2,960.12

Finding the Fourth Proportional to 5,317.82, 7,338.93 and 2,960.12

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Solution

The fourth proportional to 5,317.82, 7,338.93 and 2,960.12 is: 4,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.82 : 7,338.93 = 2,960.12 : x
  2. Step 2: Convert to fraction form
    5,317.82/7,338.93 = 2,960.12/x
  3. Step 3: Cross multiply
    5,317.82x = 7,338.93 × 2,960.12
  4. Step 4: Simplify right side
    5,317.82x = 21,724,113.47
  5. Step 5: Solve for x
    x = 21,724,113.47/5,317.82
  6. Step 6: Final answer
    x = 4,085.15

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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.