Home / 3,089.31-4,263.25-1,673.01

Finding the Fourth Proportional to 3,089.31, 4,263.25 and 1,673.01

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Solution

The fourth proportional to 3,089.31, 4,263.25 and 1,673.01 is: 2,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.31 : 4,263.25 = 1,673.01 : x
  2. Step 2: Convert to fraction form
    3,089.31/4,263.25 = 1,673.01/x
  3. Step 3: Cross multiply
    3,089.31x = 4,263.25 × 1,673.01
  4. Step 4: Simplify right side
    3,089.31x = 7,132,459.88
  5. Step 5: Solve for x
    x = 7,132,459.88/3,089.31
  6. Step 6: Final answer
    x = 2,308.75

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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.