Home / 5,571.12-7,688.80-3,332.96

Finding the Fourth Proportional to 5,571.12, 7,688.80 and 3,332.96

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Solution

The fourth proportional to 5,571.12, 7,688.80 and 3,332.96 is: 4,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.12 : 7,688.80 = 3,332.96 : x
  2. Step 2: Convert to fraction form
    5,571.12/7,688.80 = 3,332.96/x
  3. Step 3: Cross multiply
    5,571.12x = 7,688.80 × 3,332.96
  4. Step 4: Simplify right side
    5,571.12x = 25,626,462.85
  5. Step 5: Solve for x
    x = 25,626,462.85/5,571.12
  6. Step 6: Final answer
    x = 4,599.88

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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.