Home / 7,176.14-9,902.58-4,032.80

Finding the Fourth Proportional to 7,176.14, 9,902.58 and 4,032.80

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Solution

The fourth proportional to 7,176.14, 9,902.58 and 4,032.80 is: 5,564.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.14 : 9,902.58 = 4,032.80 : x
  2. Step 2: Convert to fraction form
    7,176.14/9,902.58 = 4,032.80/x
  3. Step 3: Cross multiply
    7,176.14x = 9,902.58 × 4,032.80
  4. Step 4: Simplify right side
    7,176.14x = 39,935,124.62
  5. Step 5: Solve for x
    x = 39,935,124.62/7,176.14
  6. Step 6: Final answer
    x = 5,564.99

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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.