Home / 7,629.16-11,446.30-4,703.40

Finding the Fourth Proportional to 7,629.16, 11,446.30 and 4,703.40

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Solution

The fourth proportional to 7,629.16, 11,446.30 and 4,703.40 is: 7,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.16 : 11,446.30 = 4,703.40 : x
  2. Step 2: Convert to fraction form
    7,629.16/11,446.30 = 4,703.40/x
  3. Step 3: Cross multiply
    7,629.16x = 11,446.30 × 4,703.40
  4. Step 4: Simplify right side
    7,629.16x = 53,836,527.42
  5. Step 5: Solve for x
    x = 53,836,527.42/7,629.16
  6. Step 6: Final answer
    x = 7,056.68

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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.