Home / 5,590.41-8,374.67-4,285.50

Finding the Fourth Proportional to 5,590.41, 8,374.67 and 4,285.50

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Solution

The fourth proportional to 5,590.41, 8,374.67 and 4,285.50 is: 6,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.41 : 8,374.67 = 4,285.50 : x
  2. Step 2: Convert to fraction form
    5,590.41/8,374.67 = 4,285.50/x
  3. Step 3: Cross multiply
    5,590.41x = 8,374.67 × 4,285.50
  4. Step 4: Simplify right side
    5,590.41x = 35,889,648.29
  5. Step 5: Solve for x
    x = 35,889,648.29/5,590.41
  6. Step 6: Final answer
    x = 6,419.86

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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.