Home / 5,182.85-7,152.30-2,825.01

Finding the Fourth Proportional to 5,182.85, 7,152.30 and 2,825.01

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Solution

The fourth proportional to 5,182.85, 7,152.30 and 2,825.01 is: 3,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.85 : 7,152.30 = 2,825.01 : x
  2. Step 2: Convert to fraction form
    5,182.85/7,152.30 = 2,825.01/x
  3. Step 3: Cross multiply
    5,182.85x = 7,152.30 × 2,825.01
  4. Step 4: Simplify right side
    5,182.85x = 20,205,319.02
  5. Step 5: Solve for x
    x = 20,205,319.02/5,182.85
  6. Step 6: Final answer
    x = 3,898.49

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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.