Home / 3,052.50-4,212.45-1,655.25

Finding the Fourth Proportional to 3,052.50, 4,212.45 and 1,655.25

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Solution

The fourth proportional to 3,052.50, 4,212.45 and 1,655.25 is: 2,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,052.50 : 4,212.45 = 1,655.25 : x
  2. Step 2: Convert to fraction form
    3,052.50/4,212.45 = 1,655.25/x
  3. Step 3: Cross multiply
    3,052.50x = 4,212.45 × 1,655.25
  4. Step 4: Simplify right side
    3,052.50x = 6,972,657.86
  5. Step 5: Solve for x
    x = 6,972,657.86/3,052.50
  6. Step 6: Final answer
    x = 2,284.25

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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.