Home / 3,132.43-4,323.36-2,070.25

Finding the Fourth Proportional to 3,132.43, 4,323.36 and 2,070.25

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Solution

The fourth proportional to 3,132.43, 4,323.36 and 2,070.25 is: 2,857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.43 : 4,323.36 = 2,070.25 : x
  2. Step 2: Convert to fraction form
    3,132.43/4,323.36 = 2,070.25/x
  3. Step 3: Cross multiply
    3,132.43x = 4,323.36 × 2,070.25
  4. Step 4: Simplify right side
    3,132.43x = 8,950,421.35
  5. Step 5: Solve for x
    x = 8,950,421.35/3,132.43
  6. Step 6: Final answer
    x = 2,857.34

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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.