Home / 5,338.75-7,368.21-2,981.02

Finding the Fourth Proportional to 5,338.75, 7,368.21 and 2,981.02

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Solution

The fourth proportional to 5,338.75, 7,368.21 and 2,981.02 is: 4,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.75 : 7,368.21 = 2,981.02 : x
  2. Step 2: Convert to fraction form
    5,338.75/7,368.21 = 2,981.02/x
  3. Step 3: Cross multiply
    5,338.75x = 7,368.21 × 2,981.02
  4. Step 4: Simplify right side
    5,338.75x = 21,964,781.37
  5. Step 5: Solve for x
    x = 21,964,781.37/5,338.75
  6. Step 6: Final answer
    x = 4,114.22

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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.