Home / 5,065.59-7,599.14-1,778.10

Finding the Fourth Proportional to 5,065.59, 7,599.14 and 1,778.10

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Solution

The fourth proportional to 5,065.59, 7,599.14 and 1,778.10 is: 2,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.59 : 7,599.14 = 1,778.10 : x
  2. Step 2: Convert to fraction form
    5,065.59/7,599.14 = 1,778.10/x
  3. Step 3: Cross multiply
    5,065.59x = 7,599.14 × 1,778.10
  4. Step 4: Simplify right side
    5,065.59x = 13,512,021.94
  5. Step 5: Solve for x
    x = 13,512,021.94/5,065.59
  6. Step 6: Final answer
    x = 2,667.42

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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.