Home / 5,007.50-7,511.35-1,544.75

Finding the Fourth Proportional to 5,007.50, 7,511.35 and 1,544.75

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Solution

The fourth proportional to 5,007.50, 7,511.35 and 1,544.75 is: 2,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.50 : 7,511.35 = 1,544.75 : x
  2. Step 2: Convert to fraction form
    5,007.50/7,511.35 = 1,544.75/x
  3. Step 3: Cross multiply
    5,007.50x = 7,511.35 × 1,544.75
  4. Step 4: Simplify right side
    5,007.50x = 11,603,161.77
  5. Step 5: Solve for x
    x = 11,603,161.77/5,007.50
  6. Step 6: Final answer
    x = 2,317.16

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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.