Home / 4,809.72-6,631.24-3,944.18

Finding the Fourth Proportional to 4,809.72, 6,631.24 and 3,944.18

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Solution

The fourth proportional to 4,809.72, 6,631.24 and 3,944.18 is: 5,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.72 : 6,631.24 = 3,944.18 : x
  2. Step 2: Convert to fraction form
    4,809.72/6,631.24 = 3,944.18/x
  3. Step 3: Cross multiply
    4,809.72x = 6,631.24 × 3,944.18
  4. Step 4: Simplify right side
    4,809.72x = 26,154,761.17
  5. Step 5: Solve for x
    x = 26,154,761.17/4,809.72
  6. Step 6: Final answer
    x = 5,437.90

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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.