Home / 4,437.20-6,123.20-2,447.64

Finding the Fourth Proportional to 4,437.20, 6,123.20 and 2,447.64

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Solution

The fourth proportional to 4,437.20, 6,123.20 and 2,447.64 is: 3,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,437.20 : 6,123.20 = 2,447.64 : x
  2. Step 2: Convert to fraction form
    4,437.20/6,123.20 = 2,447.64/x
  3. Step 3: Cross multiply
    4,437.20x = 6,123.20 × 2,447.64
  4. Step 4: Simplify right side
    4,437.20x = 14,987,377.01
  5. Step 5: Solve for x
    x = 14,987,377.01/4,437.20
  6. Step 6: Final answer
    x = 3,377.67

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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.