Home / 5,318.32-7,339.74-2,960.62

Finding the Fourth Proportional to 5,318.32, 7,339.74 and 2,960.62

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Solution

The fourth proportional to 5,318.32, 7,339.74 and 2,960.62 is: 4,085.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.32 : 7,339.74 = 2,960.62 : x
  2. Step 2: Convert to fraction form
    5,318.32/7,339.74 = 2,960.62/x
  3. Step 3: Cross multiply
    5,318.32x = 7,339.74 × 2,960.62
  4. Step 4: Simplify right side
    5,318.32x = 21,730,181.04
  5. Step 5: Solve for x
    x = 21,730,181.04/5,318.32
  6. Step 6: Final answer
    x = 4,085.91

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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.