Home / 5,048.64-7,575.74-2,126.88

Finding the Fourth Proportional to 5,048.64, 7,575.74 and 2,126.88

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Solution

The fourth proportional to 5,048.64, 7,575.74 and 2,126.88 is: 3,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.64 : 7,575.74 = 2,126.88 : x
  2. Step 2: Convert to fraction form
    5,048.64/7,575.74 = 2,126.88/x
  3. Step 3: Cross multiply
    5,048.64x = 7,575.74 × 2,126.88
  4. Step 4: Simplify right side
    5,048.64x = 16,112,689.89
  5. Step 5: Solve for x
    x = 16,112,689.89/5,048.64
  6. Step 6: Final answer
    x = 3,191.49

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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.