Home / 7,166.68-10,746.07-2,780.53

Finding the Fourth Proportional to 7,166.68, 10,746.07 and 2,780.53

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Solution

The fourth proportional to 7,166.68, 10,746.07 and 2,780.53 is: 4,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166.68 : 10,746.07 = 2,780.53 : x
  2. Step 2: Convert to fraction form
    7,166.68/10,746.07 = 2,780.53/x
  3. Step 3: Cross multiply
    7,166.68x = 10,746.07 × 2,780.53
  4. Step 4: Simplify right side
    7,166.68x = 29,879,736.20
  5. Step 5: Solve for x
    x = 29,879,736.20/7,166.68
  6. Step 6: Final answer
    x = 4,169.26

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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.