Home / 3,511.74-5,267.59-914.68

Finding the Fourth Proportional to 3,511.74, 5,267.59 and 914.68

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Solution

The fourth proportional to 3,511.74, 5,267.59 and 914.68 is: 1,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.74 : 5,267.59 = 914.68 : x
  2. Step 2: Convert to fraction form
    3,511.74/5,267.59 = 914.68/x
  3. Step 3: Cross multiply
    3,511.74x = 5,267.59 × 914.68
  4. Step 4: Simplify right side
    3,511.74x = 4,818,143.77
  5. Step 5: Solve for x
    x = 4,818,143.77/3,511.74
  6. Step 6: Final answer
    x = 1,372.01

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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.