Home / 7,541.54-10,407.92-4,185.00

Finding the Fourth Proportional to 7,541.54, 10,407.92 and 4,185.00

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Solution

The fourth proportional to 7,541.54, 10,407.92 and 4,185.00 is: 5,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.54 : 10,407.92 = 4,185.00 : x
  2. Step 2: Convert to fraction form
    7,541.54/10,407.92 = 4,185.00/x
  3. Step 3: Cross multiply
    7,541.54x = 10,407.92 × 4,185.00
  4. Step 4: Simplify right side
    7,541.54x = 43,557,179.95
  5. Step 5: Solve for x
    x = 43,557,179.95/7,541.54
  6. Step 6: Final answer
    x = 5,775.64

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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.