Home / 3,036.47-4,190.54-1,692.16

Finding the Fourth Proportional to 3,036.47, 4,190.54 and 1,692.16

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Solution

The fourth proportional to 3,036.47, 4,190.54 and 1,692.16 is: 2,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.47 : 4,190.54 = 1,692.16 : x
  2. Step 2: Convert to fraction form
    3,036.47/4,190.54 = 1,692.16/x
  3. Step 3: Cross multiply
    3,036.47x = 4,190.54 × 1,692.16
  4. Step 4: Simplify right side
    3,036.47x = 7,091,055.71
  5. Step 5: Solve for x
    x = 7,091,055.71/3,036.47
  6. Step 6: Final answer
    x = 2,335.30

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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.