Home / 4,188.46-5,779.45-2,509.50

Finding the Fourth Proportional to 4,188.46, 5,779.45 and 2,509.50

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Solution

The fourth proportional to 4,188.46, 5,779.45 and 2,509.50 is: 3,462.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.46 : 5,779.45 = 2,509.50 : x
  2. Step 2: Convert to fraction form
    4,188.46/5,779.45 = 2,509.50/x
  3. Step 3: Cross multiply
    4,188.46x = 5,779.45 × 2,509.50
  4. Step 4: Simplify right side
    4,188.46x = 14,503,529.78
  5. Step 5: Solve for x
    x = 14,503,529.78/4,188.46
  6. Step 6: Final answer
    x = 3,462.74

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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.