Home / 4,130.25-5,692.31-3,009.42

Finding the Fourth Proportional to 4,130.25, 5,692.31 and 3,009.42

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Solution

The fourth proportional to 4,130.25, 5,692.31 and 3,009.42 is: 4,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.25 : 5,692.31 = 3,009.42 : x
  2. Step 2: Convert to fraction form
    4,130.25/5,692.31 = 3,009.42/x
  3. Step 3: Cross multiply
    4,130.25x = 5,692.31 × 3,009.42
  4. Step 4: Simplify right side
    4,130.25x = 17,130,536.51
  5. Step 5: Solve for x
    x = 17,130,536.51/4,130.25
  6. Step 6: Final answer
    x = 4,147.58

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Half scale
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Double scale
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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.