Home / 5,318.85-7,339.86-2,960.94

Finding the Fourth Proportional to 5,318.85, 7,339.86 and 2,960.94

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Solution

The fourth proportional to 5,318.85, 7,339.86 and 2,960.94 is: 4,086.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.85 : 7,339.86 = 2,960.94 : x
  2. Step 2: Convert to fraction form
    5,318.85/7,339.86 = 2,960.94/x
  3. Step 3: Cross multiply
    5,318.85x = 7,339.86 × 2,960.94
  4. Step 4: Simplify right side
    5,318.85x = 21,732,885.07
  5. Step 5: Solve for x
    x = 21,732,885.07/5,318.85
  6. Step 6: Final answer
    x = 4,086.01

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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.