Home / 7,031.27-9,704.21-4,046.90

Finding the Fourth Proportional to 7,031.27, 9,704.21 and 4,046.90

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Solution

The fourth proportional to 7,031.27, 9,704.21 and 4,046.90 is: 5,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.27 : 9,704.21 = 4,046.90 : x
  2. Step 2: Convert to fraction form
    7,031.27/9,704.21 = 4,046.90/x
  3. Step 3: Cross multiply
    7,031.27x = 9,704.21 × 4,046.90
  4. Step 4: Simplify right side
    7,031.27x = 39,271,898.69
  5. Step 5: Solve for x
    x = 39,271,898.69/7,031.27
  6. Step 6: Final answer
    x = 5,585.32

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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.