Home / 5,126.52-7,074.50-2,888.44

Finding the Fourth Proportional to 5,126.52, 7,074.50 and 2,888.44

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Solution

The fourth proportional to 5,126.52, 7,074.50 and 2,888.44 is: 3,985.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.52 : 7,074.50 = 2,888.44 : x
  2. Step 2: Convert to fraction form
    5,126.52/7,074.50 = 2,888.44/x
  3. Step 3: Cross multiply
    5,126.52x = 7,074.50 × 2,888.44
  4. Step 4: Simplify right side
    5,126.52x = 20,434,268.78
  5. Step 5: Solve for x
    x = 20,434,268.78/5,126.52
  6. Step 6: Final answer
    x = 3,985.99

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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.