Home / 5,256.90-7,886.16-2,485.08

Finding the Fourth Proportional to 5,256.90, 7,886.16 and 2,485.08

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Solution

The fourth proportional to 5,256.90, 7,886.16 and 2,485.08 is: 3,728.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.90 : 7,886.16 = 2,485.08 : x
  2. Step 2: Convert to fraction form
    5,256.90/7,886.16 = 2,485.08/x
  3. Step 3: Cross multiply
    5,256.90x = 7,886.16 × 2,485.08
  4. Step 4: Simplify right side
    5,256.90x = 19,597,738.49
  5. Step 5: Solve for x
    x = 19,597,738.49/5,256.90
  6. Step 6: Final answer
    x = 3,728.00

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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.