Home / 7,784.88-10,740.09-4,795.53

Finding the Fourth Proportional to 7,784.88, 10,740.09 and 4,795.53

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Solution

The fourth proportional to 7,784.88, 10,740.09 and 4,795.53 is: 6,615.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.88 : 10,740.09 = 4,795.53 : x
  2. Step 2: Convert to fraction form
    7,784.88/10,740.09 = 4,795.53/x
  3. Step 3: Cross multiply
    7,784.88x = 10,740.09 × 4,795.53
  4. Step 4: Simplify right side
    7,784.88x = 51,504,423.80
  5. Step 5: Solve for x
    x = 51,504,423.80/7,784.88
  6. Step 6: Final answer
    x = 6,615.96

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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.