Home / 5,320.04-7,342.26-3,991.46

Finding the Fourth Proportional to 5,320.04, 7,342.26 and 3,991.46

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Solution

The fourth proportional to 5,320.04, 7,342.26 and 3,991.46 is: 5,508.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.04 : 7,342.26 = 3,991.46 : x
  2. Step 2: Convert to fraction form
    5,320.04/7,342.26 = 3,991.46/x
  3. Step 3: Cross multiply
    5,320.04x = 7,342.26 × 3,991.46
  4. Step 4: Simplify right side
    5,320.04x = 29,306,337.10
  5. Step 5: Solve for x
    x = 29,306,337.10/5,320.04
  6. Step 6: Final answer
    x = 5,508.67

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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.