Home / 3,132.48-4,322.25-1,806.27

Finding the Fourth Proportional to 3,132.48, 4,322.25 and 1,806.27

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Solution

The fourth proportional to 3,132.48, 4,322.25 and 1,806.27 is: 2,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.48 : 4,322.25 = 1,806.27 : x
  2. Step 2: Convert to fraction form
    3,132.48/4,322.25 = 1,806.27/x
  3. Step 3: Cross multiply
    3,132.48x = 4,322.25 × 1,806.27
  4. Step 4: Simplify right side
    3,132.48x = 7,807,150.51
  5. Step 5: Solve for x
    x = 7,807,150.51/3,132.48
  6. Step 6: Final answer
    x = 2,492.32

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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.