Home / 5,079.47-7,007.58-3,089.70

Finding the Fourth Proportional to 5,079.47, 7,007.58 and 3,089.70

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Solution

The fourth proportional to 5,079.47, 7,007.58 and 3,089.70 is: 4,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.47 : 7,007.58 = 3,089.70 : x
  2. Step 2: Convert to fraction form
    5,079.47/7,007.58 = 3,089.70/x
  3. Step 3: Cross multiply
    5,079.47x = 7,007.58 × 3,089.70
  4. Step 4: Simplify right side
    5,079.47x = 21,651,319.93
  5. Step 5: Solve for x
    x = 21,651,319.93/5,079.47
  6. Step 6: Final answer
    x = 4,262.52

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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.