Home / 5,013.48-6,918.66-2,775.30

Finding the Fourth Proportional to 5,013.48, 6,918.66 and 2,775.30

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Solution

The fourth proportional to 5,013.48, 6,918.66 and 2,775.30 is: 3,829.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.48 : 6,918.66 = 2,775.30 : x
  2. Step 2: Convert to fraction form
    5,013.48/6,918.66 = 2,775.30/x
  3. Step 3: Cross multiply
    5,013.48x = 6,918.66 × 2,775.30
  4. Step 4: Simplify right side
    5,013.48x = 19,201,357.10
  5. Step 5: Solve for x
    x = 19,201,357.10/5,013.48
  6. Step 6: Final answer
    x = 3,829.95

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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.