Home / 7,897.20-10,900.08-5,544.96

Finding the Fourth Proportional to 7,897.20, 10,900.08 and 5,544.96

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Solution

The fourth proportional to 7,897.20, 10,900.08 and 5,544.96 is: 7,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.20 : 10,900.08 = 5,544.96 : x
  2. Step 2: Convert to fraction form
    7,897.20/10,900.08 = 5,544.96/x
  3. Step 3: Cross multiply
    7,897.20x = 10,900.08 × 5,544.96
  4. Step 4: Simplify right side
    7,897.20x = 60,440,507.60
  5. Step 5: Solve for x
    x = 60,440,507.60/7,897.20
  6. Step 6: Final answer
    x = 7,653.41

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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.