Home / 5,674.35-7,814.48-4,099.95

Finding the Fourth Proportional to 5,674.35, 7,814.48 and 4,099.95

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Solution

The fourth proportional to 5,674.35, 7,814.48 and 4,099.95 is: 5,646.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.35 : 7,814.48 = 4,099.95 : x
  2. Step 2: Convert to fraction form
    5,674.35/7,814.48 = 4,099.95/x
  3. Step 3: Cross multiply
    5,674.35x = 7,814.48 × 4,099.95
  4. Step 4: Simplify right side
    5,674.35x = 32,038,956.78
  5. Step 5: Solve for x
    x = 32,038,956.78/5,674.35
  6. Step 6: Final answer
    x = 5,646.28

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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.