Home / 5,173.76-7,756.04-1,886.24

Finding the Fourth Proportional to 5,173.76, 7,756.04 and 1,886.24

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Solution

The fourth proportional to 5,173.76, 7,756.04 and 1,886.24 is: 2,827.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.76 : 7,756.04 = 1,886.24 : x
  2. Step 2: Convert to fraction form
    5,173.76/7,756.04 = 1,886.24/x
  3. Step 3: Cross multiply
    5,173.76x = 7,756.04 × 1,886.24
  4. Step 4: Simplify right side
    5,173.76x = 14,629,752.89
  5. Step 5: Solve for x
    x = 14,629,752.89/5,173.76
  6. Step 6: Final answer
    x = 2,827.68

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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.