Home / 5,192.10-7,748.23-4,638.50

Finding the Fourth Proportional to 5,192.10, 7,748.23 and 4,638.50

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Solution

The fourth proportional to 5,192.10, 7,748.23 and 4,638.50 is: 6,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.10 : 7,748.23 = 4,638.50 : x
  2. Step 2: Convert to fraction form
    5,192.10/7,748.23 = 4,638.50/x
  3. Step 3: Cross multiply
    5,192.10x = 7,748.23 × 4,638.50
  4. Step 4: Simplify right side
    5,192.10x = 35,940,141.66
  5. Step 5: Solve for x
    x = 35,940,141.66/5,192.10
  6. Step 6: Final answer
    x = 6,922.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.