Home / 5,338.99-7,999.25-4,153.40

Finding the Fourth Proportional to 5,338.99, 7,999.25 and 4,153.40

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Solution

The fourth proportional to 5,338.99, 7,999.25 and 4,153.40 is: 6,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.99 : 7,999.25 = 4,153.40 : x
  2. Step 2: Convert to fraction form
    5,338.99/7,999.25 = 4,153.40/x
  3. Step 3: Cross multiply
    5,338.99x = 7,999.25 × 4,153.40
  4. Step 4: Simplify right side
    5,338.99x = 33,224,024.19
  5. Step 5: Solve for x
    x = 33,224,024.19/5,338.99
  6. Step 6: Final answer
    x = 6,222.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.