Home / 5,455.86-8,177.40-2,527.98

Finding the Fourth Proportional to 5,455.86, 8,177.40 and 2,527.98

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Solution

The fourth proportional to 5,455.86, 8,177.40 and 2,527.98 is: 3,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.86 : 8,177.40 = 2,527.98 : x
  2. Step 2: Convert to fraction form
    5,455.86/8,177.40 = 2,527.98/x
  3. Step 3: Cross multiply
    5,455.86x = 8,177.40 × 2,527.98
  4. Step 4: Simplify right side
    5,455.86x = 20,672,303.65
  5. Step 5: Solve for x
    x = 20,672,303.65/5,455.86
  6. Step 6: Final answer
    x = 3,789.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.