Home / 7,656.30-11,477.34-2,725.02

Finding the Fourth Proportional to 7,656.30, 11,477.34 and 2,725.02

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Solution

The fourth proportional to 7,656.30, 11,477.34 and 2,725.02 is: 4,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.30 : 11,477.34 = 2,725.02 : x
  2. Step 2: Convert to fraction form
    7,656.30/11,477.34 = 2,725.02/x
  3. Step 3: Cross multiply
    7,656.30x = 11,477.34 × 2,725.02
  4. Step 4: Simplify right side
    7,656.30x = 31,275,981.05
  5. Step 5: Solve for x
    x = 31,275,981.05/7,656.30
  6. Step 6: Final answer
    x = 4,085.00

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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.