Home / 5,743.18-7,939.92-4,857.04

Finding the Fourth Proportional to 5,743.18, 7,939.92 and 4,857.04

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Solution

The fourth proportional to 5,743.18, 7,939.92 and 4,857.04 is: 6,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743.18 : 7,939.92 = 4,857.04 : x
  2. Step 2: Convert to fraction form
    5,743.18/7,939.92 = 4,857.04/x
  3. Step 3: Cross multiply
    5,743.18x = 7,939.92 × 4,857.04
  4. Step 4: Simplify right side
    5,743.18x = 38,564,509.04
  5. Step 5: Solve for x
    x = 38,564,509.04/5,743.18
  6. Step 6: Final answer
    x = 6,714.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.