Home / 7,790.46-10,750.76-4,805.10

Finding the Fourth Proportional to 7,790.46, 10,750.76 and 4,805.10

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Solution

The fourth proportional to 7,790.46, 10,750.76 and 4,805.10 is: 6,630.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.46 : 10,750.76 = 4,805.10 : x
  2. Step 2: Convert to fraction form
    7,790.46/10,750.76 = 4,805.10/x
  3. Step 3: Cross multiply
    7,790.46x = 10,750.76 × 4,805.10
  4. Step 4: Simplify right side
    7,790.46x = 51,658,476.88
  5. Step 5: Solve for x
    x = 51,658,476.88/7,790.46
  6. Step 6: Final answer
    x = 6,630.99

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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.