Home / 7,540.14-10,402.88-4,554.84

Finding the Fourth Proportional to 7,540.14, 10,402.88 and 4,554.84

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Solution

The fourth proportional to 7,540.14, 10,402.88 and 4,554.84 is: 6,284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.14 : 10,402.88 = 4,554.84 : x
  2. Step 2: Convert to fraction form
    7,540.14/10,402.88 = 4,554.84/x
  3. Step 3: Cross multiply
    7,540.14x = 10,402.88 × 4,554.84
  4. Step 4: Simplify right side
    7,540.14x = 47,383,453.94
  5. Step 5: Solve for x
    x = 47,383,453.94/7,540.14
  6. Step 6: Final answer
    x = 6,284.16

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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.