Home / 5,276.56-7,282.02-2,918.92

Finding the Fourth Proportional to 5,276.56, 7,282.02 and 2,918.92

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Solution

The fourth proportional to 5,276.56, 7,282.02 and 2,918.92 is: 4,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.56 : 7,282.02 = 2,918.92 : x
  2. Step 2: Convert to fraction form
    5,276.56/7,282.02 = 2,918.92/x
  3. Step 3: Cross multiply
    5,276.56x = 7,282.02 × 2,918.92
  4. Step 4: Simplify right side
    5,276.56x = 21,255,633.82
  5. Step 5: Solve for x
    x = 21,255,633.82/5,276.56
  6. Step 6: Final answer
    x = 4,028.31

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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.