Home / 4,722.48-7,082.76-4,488.30

Finding the Fourth Proportional to 4,722.48, 7,082.76 and 4,488.30

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Solution

The fourth proportional to 4,722.48, 7,082.76 and 4,488.30 is: 6,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.48 : 7,082.76 = 4,488.30 : x
  2. Step 2: Convert to fraction form
    4,722.48/7,082.76 = 4,488.30/x
  3. Step 3: Cross multiply
    4,722.48x = 7,082.76 × 4,488.30
  4. Step 4: Simplify right side
    4,722.48x = 31,789,551.71
  5. Step 5: Solve for x
    x = 31,789,551.71/4,722.48
  6. Step 6: Final answer
    x = 6,731.54

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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.