Home / 5,173.62-7,756.10-2,051.68

Finding the Fourth Proportional to 5,173.62, 7,756.10 and 2,051.68

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Solution

The fourth proportional to 5,173.62, 7,756.10 and 2,051.68 is: 3,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.62 : 7,756.10 = 2,051.68 : x
  2. Step 2: Convert to fraction form
    5,173.62/7,756.10 = 2,051.68/x
  3. Step 3: Cross multiply
    5,173.62x = 7,756.10 × 2,051.68
  4. Step 4: Simplify right side
    5,173.62x = 15,913,039.38
  5. Step 5: Solve for x
    x = 15,913,039.38/5,173.62
  6. Step 6: Final answer
    x = 3,075.80

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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.