Home / 5,890.72-8,136.40-4,405.24

Finding the Fourth Proportional to 5,890.72, 8,136.40 and 4,405.24

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Solution

The fourth proportional to 5,890.72, 8,136.40 and 4,405.24 is: 6,084.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.72 : 8,136.40 = 4,405.24 : x
  2. Step 2: Convert to fraction form
    5,890.72/8,136.40 = 4,405.24/x
  3. Step 3: Cross multiply
    5,890.72x = 8,136.40 × 4,405.24
  4. Step 4: Simplify right side
    5,890.72x = 35,842,794.74
  5. Step 5: Solve for x
    x = 35,842,794.74/5,890.72
  6. Step 6: Final answer
    x = 6,084.62

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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.