Home / 4,795.78-7,192.25-2,161.76

Finding the Fourth Proportional to 4,795.78, 7,192.25 and 2,161.76

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Solution

The fourth proportional to 4,795.78, 7,192.25 and 2,161.76 is: 3,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795.78 : 7,192.25 = 2,161.76 : x
  2. Step 2: Convert to fraction form
    4,795.78/7,192.25 = 2,161.76/x
  3. Step 3: Cross multiply
    4,795.78x = 7,192.25 × 2,161.76
  4. Step 4: Simplify right side
    4,795.78x = 15,547,907.55
  5. Step 5: Solve for x
    x = 15,547,907.55/4,795.78
  6. Step 6: Final answer
    x = 3,242.00

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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.