Home / 5,276.54-7,281.77-2,918.83

Finding the Fourth Proportional to 5,276.54, 7,281.77 and 2,918.83

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Solution

The fourth proportional to 5,276.54, 7,281.77 and 2,918.83 is: 4,028.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.54 : 7,281.77 = 2,918.83 : x
  2. Step 2: Convert to fraction form
    5,276.54/7,281.77 = 2,918.83/x
  3. Step 3: Cross multiply
    5,276.54x = 7,281.77 × 2,918.83
  4. Step 4: Simplify right side
    5,276.54x = 21,254,215.93
  5. Step 5: Solve for x
    x = 21,254,215.93/5,276.54
  6. Step 6: Final answer
    x = 4,028.06

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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.