Home / 5,317.62-7,338.60-2,959.81

Finding the Fourth Proportional to 5,317.62, 7,338.60 and 2,959.81

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Solution

The fourth proportional to 5,317.62, 7,338.60 and 2,959.81 is: 4,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.62 : 7,338.60 = 2,959.81 : x
  2. Step 2: Convert to fraction form
    5,317.62/7,338.60 = 2,959.81/x
  3. Step 3: Cross multiply
    5,317.62x = 7,338.60 × 2,959.81
  4. Step 4: Simplify right side
    5,317.62x = 21,720,861.67
  5. Step 5: Solve for x
    x = 21,720,861.67/5,317.62
  6. Step 6: Final answer
    x = 4,084.70

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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.