Home / 7,255.79-10,865.12-4,783.04

Finding the Fourth Proportional to 7,255.79, 10,865.12 and 4,783.04

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Solution

The fourth proportional to 7,255.79, 10,865.12 and 4,783.04 is: 7,162.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.79 : 10,865.12 = 4,783.04 : x
  2. Step 2: Convert to fraction form
    7,255.79/10,865.12 = 4,783.04/x
  3. Step 3: Cross multiply
    7,255.79x = 10,865.12 × 4,783.04
  4. Step 4: Simplify right side
    7,255.79x = 51,968,225.32
  5. Step 5: Solve for x
    x = 51,968,225.32/7,255.79
  6. Step 6: Final answer
    x = 7,162.32

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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.