Home / 3,713.52-5,570.40-1,248.42

Finding the Fourth Proportional to 3,713.52, 5,570.40 and 1,248.42

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Solution

The fourth proportional to 3,713.52, 5,570.40 and 1,248.42 is: 1,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.52 : 5,570.40 = 1,248.42 : x
  2. Step 2: Convert to fraction form
    3,713.52/5,570.40 = 1,248.42/x
  3. Step 3: Cross multiply
    3,713.52x = 5,570.40 × 1,248.42
  4. Step 4: Simplify right side
    3,713.52x = 6,954,198.77
  5. Step 5: Solve for x
    x = 6,954,198.77/3,713.52
  6. Step 6: Final answer
    x = 1,872.67

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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.