Home / 5,318.32-7,339.40-2,960.68

Finding the Fourth Proportional to 5,318.32, 7,339.40 and 2,960.68

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Solution

The fourth proportional to 5,318.32, 7,339.40 and 2,960.68 is: 4,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.32 : 7,339.40 = 2,960.68 : x
  2. Step 2: Convert to fraction form
    5,318.32/7,339.40 = 2,960.68/x
  3. Step 3: Cross multiply
    5,318.32x = 7,339.40 × 2,960.68
  4. Step 4: Simplify right side
    5,318.32x = 21,729,614.79
  5. Step 5: Solve for x
    x = 21,729,614.79/5,318.32
  6. Step 6: Final answer
    x = 4,085.80

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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.