Home / 5,173.47-7,758.32-1,885.59

Finding the Fourth Proportional to 5,173.47, 7,758.32 and 1,885.59

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Solution

The fourth proportional to 5,173.47, 7,758.32 and 1,885.59 is: 2,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.47 : 7,758.32 = 1,885.59 : x
  2. Step 2: Convert to fraction form
    5,173.47/7,758.32 = 1,885.59/x
  3. Step 3: Cross multiply
    5,173.47x = 7,758.32 × 1,885.59
  4. Step 4: Simplify right side
    5,173.47x = 14,629,001.18
  5. Step 5: Solve for x
    x = 14,629,001.18/5,173.47
  6. Step 6: Final answer
    x = 2,827.70

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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.