Home / 3,248.12-4,875.21-1,785.26

Finding the Fourth Proportional to 3,248.12, 4,875.21 and 1,785.26

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Solution

The fourth proportional to 3,248.12, 4,875.21 and 1,785.26 is: 2,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.12 : 4,875.21 = 1,785.26 : x
  2. Step 2: Convert to fraction form
    3,248.12/4,875.21 = 1,785.26/x
  3. Step 3: Cross multiply
    3,248.12x = 4,875.21 × 1,785.26
  4. Step 4: Simplify right side
    3,248.12x = 8,703,493.03
  5. Step 5: Solve for x
    x = 8,703,493.03/3,248.12
  6. Step 6: Final answer
    x = 2,679.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.