Home / 3,167.51-4,370.36-2,380.19

Finding the Fourth Proportional to 3,167.51, 4,370.36 and 2,380.19

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Solution

The fourth proportional to 3,167.51, 4,370.36 and 2,380.19 is: 3,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.51 : 4,370.36 = 2,380.19 : x
  2. Step 2: Convert to fraction form
    3,167.51/4,370.36 = 2,380.19/x
  3. Step 3: Cross multiply
    3,167.51x = 4,370.36 × 2,380.19
  4. Step 4: Simplify right side
    3,167.51x = 10,402,253.42
  5. Step 5: Solve for x
    x = 10,402,253.42/3,167.51
  6. Step 6: Final answer
    x = 3,284.05

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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.