Home / 5,376.76-7,420.74-3,282.08

Finding the Fourth Proportional to 5,376.76, 7,420.74 and 3,282.08

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Solution

The fourth proportional to 5,376.76, 7,420.74 and 3,282.08 is: 4,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.76 : 7,420.74 = 3,282.08 : x
  2. Step 2: Convert to fraction form
    5,376.76/7,420.74 = 3,282.08/x
  3. Step 3: Cross multiply
    5,376.76x = 7,420.74 × 3,282.08
  4. Step 4: Simplify right side
    5,376.76x = 24,355,462.34
  5. Step 5: Solve for x
    x = 24,355,462.34/5,376.76
  6. Step 6: Final answer
    x = 4,529.77

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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.