Home / 7,740.99-10,680.20-4,754.93

Finding the Fourth Proportional to 7,740.99, 10,680.20 and 4,754.93

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Solution

The fourth proportional to 7,740.99, 10,680.20 and 4,754.93 is: 6,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.99 : 10,680.20 = 4,754.93 : x
  2. Step 2: Convert to fraction form
    7,740.99/10,680.20 = 4,754.93/x
  3. Step 3: Cross multiply
    7,740.99x = 10,680.20 × 4,754.93
  4. Step 4: Simplify right side
    7,740.99x = 50,783,526.21
  5. Step 5: Solve for x
    x = 50,783,526.21/7,740.99
  6. Step 6: Final answer
    x = 6,560.34

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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.