Home / 5,538.63-7,676.29-5,434.95

Finding the Fourth Proportional to 5,538.63, 7,676.29 and 5,434.95

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Solution

The fourth proportional to 5,538.63, 7,676.29 and 5,434.95 is: 7,532.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.63 : 7,676.29 = 5,434.95 : x
  2. Step 2: Convert to fraction form
    5,538.63/7,676.29 = 5,434.95/x
  3. Step 3: Cross multiply
    5,538.63x = 7,676.29 × 5,434.95
  4. Step 4: Simplify right side
    5,538.63x = 41,720,252.34
  5. Step 5: Solve for x
    x = 41,720,252.34/5,538.63
  6. Step 6: Final answer
    x = 7,532.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.