Home / 3,132.50-4,322.85-1,735.34

Finding the Fourth Proportional to 3,132.50, 4,322.85 and 1,735.34

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Solution

The fourth proportional to 3,132.50, 4,322.85 and 1,735.34 is: 2,394.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.50 : 4,322.85 = 1,735.34 : x
  2. Step 2: Convert to fraction form
    3,132.50/4,322.85 = 1,735.34/x
  3. Step 3: Cross multiply
    3,132.50x = 4,322.85 × 1,735.34
  4. Step 4: Simplify right side
    3,132.50x = 7,501,614.52
  5. Step 5: Solve for x
    x = 7,501,614.52/3,132.50
  6. Step 6: Final answer
    x = 2,394.77

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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.