Home / 5,318.51-7,339.55-2,960.60

Finding the Fourth Proportional to 5,318.51, 7,339.55 and 2,960.60

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Solution

The fourth proportional to 5,318.51, 7,339.55 and 2,960.60 is: 4,085.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.51 : 7,339.55 = 2,960.60 : x
  2. Step 2: Convert to fraction form
    5,318.51/7,339.55 = 2,960.60/x
  3. Step 3: Cross multiply
    5,318.51x = 7,339.55 × 2,960.60
  4. Step 4: Simplify right side
    5,318.51x = 21,729,420.23
  5. Step 5: Solve for x
    x = 21,729,420.23/5,318.51
  6. Step 6: Final answer
    x = 4,085.63

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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.