Home / 7,084.61-9,777.33-4,100.50

Finding the Fourth Proportional to 7,084.61, 9,777.33 and 4,100.50

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Solution

The fourth proportional to 7,084.61, 9,777.33 and 4,100.50 is: 5,659.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.61 : 9,777.33 = 4,100.50 : x
  2. Step 2: Convert to fraction form
    7,084.61/9,777.33 = 4,100.50/x
  3. Step 3: Cross multiply
    7,084.61x = 9,777.33 × 4,100.50
  4. Step 4: Simplify right side
    7,084.61x = 40,091,937.92
  5. Step 5: Solve for x
    x = 40,091,937.92/7,084.61
  6. Step 6: Final answer
    x = 5,659.01

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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.