Home / 7,280.67-10,046.78-4,767.75

Finding the Fourth Proportional to 7,280.67, 10,046.78 and 4,767.75

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Solution

The fourth proportional to 7,280.67, 10,046.78 and 4,767.75 is: 6,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.67 : 10,046.78 = 4,767.75 : x
  2. Step 2: Convert to fraction form
    7,280.67/10,046.78 = 4,767.75/x
  3. Step 3: Cross multiply
    7,280.67x = 10,046.78 × 4,767.75
  4. Step 4: Simplify right side
    7,280.67x = 47,900,511.51
  5. Step 5: Solve for x
    x = 47,900,511.51/7,280.67
  6. Step 6: Final answer
    x = 6,579.14

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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.