Home / 5,205.02-7,810.73-3,125.54

Finding the Fourth Proportional to 5,205.02, 7,810.73 and 3,125.54

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Solution

The fourth proportional to 5,205.02, 7,810.73 and 3,125.54 is: 4,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.02 : 7,810.73 = 3,125.54 : x
  2. Step 2: Convert to fraction form
    5,205.02/7,810.73 = 3,125.54/x
  3. Step 3: Cross multiply
    5,205.02x = 7,810.73 × 3,125.54
  4. Step 4: Simplify right side
    5,205.02x = 24,412,694.36
  5. Step 5: Solve for x
    x = 24,412,694.36/5,205.02
  6. Step 6: Final answer
    x = 4,690.23

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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.