Home / 5,493.56-7,581.60-3,136.46

Finding the Fourth Proportional to 5,493.56, 7,581.60 and 3,136.46

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Solution

The fourth proportional to 5,493.56, 7,581.60 and 3,136.46 is: 4,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.56 : 7,581.60 = 3,136.46 : x
  2. Step 2: Convert to fraction form
    5,493.56/7,581.60 = 3,136.46/x
  3. Step 3: Cross multiply
    5,493.56x = 7,581.60 × 3,136.46
  4. Step 4: Simplify right side
    5,493.56x = 23,779,347.23
  5. Step 5: Solve for x
    x = 23,779,347.23/5,493.56
  6. Step 6: Final answer
    x = 4,328.59

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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.