Home / 5,636.10-8,454.72-1,938.63

Finding the Fourth Proportional to 5,636.10, 8,454.72 and 1,938.63

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Solution

The fourth proportional to 5,636.10, 8,454.72 and 1,938.63 is: 2,908.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.10 : 8,454.72 = 1,938.63 : x
  2. Step 2: Convert to fraction form
    5,636.10/8,454.72 = 1,938.63/x
  3. Step 3: Cross multiply
    5,636.10x = 8,454.72 × 1,938.63
  4. Step 4: Simplify right side
    5,636.10x = 16,390,573.83
  5. Step 5: Solve for x
    x = 16,390,573.83/5,636.10
  6. Step 6: Final answer
    x = 2,908.14

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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.