Home / 3,581.96-5,349.11-3,543.35

Finding the Fourth Proportional to 3,581.96, 5,349.11 and 3,543.35

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Solution

The fourth proportional to 3,581.96, 5,349.11 and 3,543.35 is: 5,291.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.96 : 5,349.11 = 3,543.35 : x
  2. Step 2: Convert to fraction form
    3,581.96/5,349.11 = 3,543.35/x
  3. Step 3: Cross multiply
    3,581.96x = 5,349.11 × 3,543.35
  4. Step 4: Simplify right side
    3,581.96x = 18,953,724.46
  5. Step 5: Solve for x
    x = 18,953,724.46/3,581.96
  6. Step 6: Final answer
    x = 5,291.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.