Home / 5,212.92-7,814.52-1,925.13

Finding the Fourth Proportional to 5,212.92, 7,814.52 and 1,925.13

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Solution

The fourth proportional to 5,212.92, 7,814.52 and 1,925.13 is: 2,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.92 : 7,814.52 = 1,925.13 : x
  2. Step 2: Convert to fraction form
    5,212.92/7,814.52 = 1,925.13/x
  3. Step 3: Cross multiply
    5,212.92x = 7,814.52 × 1,925.13
  4. Step 4: Simplify right side
    5,212.92x = 15,043,966.89
  5. Step 5: Solve for x
    x = 15,043,966.89/5,212.92
  6. Step 6: Final answer
    x = 2,885.90

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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.