Home / 5,918.71-8,160.56-4,795.51

Finding the Fourth Proportional to 5,918.71, 8,160.56 and 4,795.51

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Solution

The fourth proportional to 5,918.71, 8,160.56 and 4,795.51 is: 6,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.71 : 8,160.56 = 4,795.51 : x
  2. Step 2: Convert to fraction form
    5,918.71/8,160.56 = 4,795.51/x
  3. Step 3: Cross multiply
    5,918.71x = 8,160.56 × 4,795.51
  4. Step 4: Simplify right side
    5,918.71x = 39,134,020.69
  5. Step 5: Solve for x
    x = 39,134,020.69/5,918.71
  6. Step 6: Final answer
    x = 6,611.92

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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.