Home / 5,276.25-7,281.54-2,918.34

Finding the Fourth Proportional to 5,276.25, 7,281.54 and 2,918.34

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Solution

The fourth proportional to 5,276.25, 7,281.54 and 2,918.34 is: 4,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.25 : 7,281.54 = 2,918.34 : x
  2. Step 2: Convert to fraction form
    5,276.25/7,281.54 = 2,918.34/x
  3. Step 3: Cross multiply
    5,276.25x = 7,281.54 × 2,918.34
  4. Step 4: Simplify right side
    5,276.25x = 21,250,009.44
  5. Step 5: Solve for x
    x = 21,250,009.44/5,276.25
  6. Step 6: Final answer
    x = 4,027.48

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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.