Home / 7,031.89-9,704.99-4,047.65

Finding the Fourth Proportional to 7,031.89, 9,704.99 and 4,047.65

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Solution

The fourth proportional to 7,031.89, 9,704.99 and 4,047.65 is: 5,586.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.89 : 9,704.99 = 4,047.65 : x
  2. Step 2: Convert to fraction form
    7,031.89/9,704.99 = 4,047.65/x
  3. Step 3: Cross multiply
    7,031.89x = 9,704.99 × 4,047.65
  4. Step 4: Simplify right side
    7,031.89x = 39,282,402.77
  5. Step 5: Solve for x
    x = 39,282,402.77/7,031.89
  6. Step 6: Final answer
    x = 5,586.32

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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.