Home / 2,918.58-4,027.50-1,592.21

Finding the Fourth Proportional to 2,918.58, 4,027.50 and 1,592.21

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Solution

The fourth proportional to 2,918.58, 4,027.50 and 1,592.21 is: 2,197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.58 : 4,027.50 = 1,592.21 : x
  2. Step 2: Convert to fraction form
    2,918.58/4,027.50 = 1,592.21/x
  3. Step 3: Cross multiply
    2,918.58x = 4,027.50 × 1,592.21
  4. Step 4: Simplify right side
    2,918.58x = 6,412,605.64
  5. Step 5: Solve for x
    x = 6,412,605.64/2,918.58
  6. Step 6: Final answer
    x = 2,197.17

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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.