Home / 5,578.14-7,693.58-4,085.52

Finding the Fourth Proportional to 5,578.14, 7,693.58 and 4,085.52

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Solution

The fourth proportional to 5,578.14, 7,693.58 and 4,085.52 is: 5,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.14 : 7,693.58 = 4,085.52 : x
  2. Step 2: Convert to fraction form
    5,578.14/7,693.58 = 4,085.52/x
  3. Step 3: Cross multiply
    5,578.14x = 7,693.58 × 4,085.52
  4. Step 4: Simplify right side
    5,578.14x = 31,432,274.96
  5. Step 5: Solve for x
    x = 31,432,274.96/5,578.14
  6. Step 6: Final answer
    x = 5,634.90

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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.