Home / 4,631.24-6,385.53-3,216.14

Finding the Fourth Proportional to 4,631.24, 6,385.53 and 3,216.14

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Solution

The fourth proportional to 4,631.24, 6,385.53 and 3,216.14 is: 4,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.24 : 6,385.53 = 3,216.14 : x
  2. Step 2: Convert to fraction form
    4,631.24/6,385.53 = 3,216.14/x
  3. Step 3: Cross multiply
    4,631.24x = 6,385.53 × 3,216.14
  4. Step 4: Simplify right side
    4,631.24x = 20,536,758.45
  5. Step 5: Solve for x
    x = 20,536,758.45/4,631.24
  6. Step 6: Final answer
    x = 4,434.40

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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.