Home / 5,186.34-7,774.68-1,898.58

Finding the Fourth Proportional to 5,186.34, 7,774.68 and 1,898.58

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Solution

The fourth proportional to 5,186.34, 7,774.68 and 1,898.58 is: 2,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.34 : 7,774.68 = 1,898.58 : x
  2. Step 2: Convert to fraction form
    5,186.34/7,774.68 = 1,898.58/x
  3. Step 3: Cross multiply
    5,186.34x = 7,774.68 × 1,898.58
  4. Step 4: Simplify right side
    5,186.34x = 14,760,851.95
  5. Step 5: Solve for x
    x = 14,760,851.95/5,186.34
  6. Step 6: Final answer
    x = 2,846.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.