Home / 5,186.67-7,775.64-2,411.93

Finding the Fourth Proportional to 5,186.67, 7,775.64 and 2,411.93

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Solution

The fourth proportional to 5,186.67, 7,775.64 and 2,411.93 is: 3,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.67 : 7,775.64 = 2,411.93 : x
  2. Step 2: Convert to fraction form
    5,186.67/7,775.64 = 2,411.93/x
  3. Step 3: Cross multiply
    5,186.67x = 7,775.64 × 2,411.93
  4. Step 4: Simplify right side
    5,186.67x = 18,754,260.51
  5. Step 5: Solve for x
    x = 18,754,260.51/5,186.67
  6. Step 6: Final answer
    x = 3,615.86

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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.