Home / 5,721.40-8,546.55-5,694.52

Finding the Fourth Proportional to 5,721.40, 8,546.55 and 5,694.52

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Solution

The fourth proportional to 5,721.40, 8,546.55 and 5,694.52 is: 8,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.40 : 8,546.55 = 5,694.52 : x
  2. Step 2: Convert to fraction form
    5,721.40/8,546.55 = 5,694.52/x
  3. Step 3: Cross multiply
    5,721.40x = 8,546.55 × 5,694.52
  4. Step 4: Simplify right side
    5,721.40x = 48,668,499.91
  5. Step 5: Solve for x
    x = 48,668,499.91/5,721.40
  6. Step 6: Final answer
    x = 8,506.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.