Home / 7,045.68-9,722.52-4,061.40

Finding the Fourth Proportional to 7,045.68, 9,722.52 and 4,061.40

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Solution

The fourth proportional to 7,045.68, 9,722.52 and 4,061.40 is: 5,604.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.68 : 9,722.52 = 4,061.40 : x
  2. Step 2: Convert to fraction form
    7,045.68/9,722.52 = 4,061.40/x
  3. Step 3: Cross multiply
    7,045.68x = 9,722.52 × 4,061.40
  4. Step 4: Simplify right side
    7,045.68x = 39,487,042.73
  5. Step 5: Solve for x
    x = 39,487,042.73/7,045.68
  6. Step 6: Final answer
    x = 5,604.43

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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.