Home / 5,200.56-7,178.04-3,435.12

Finding the Fourth Proportional to 5,200.56, 7,178.04 and 3,435.12

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Solution

The fourth proportional to 5,200.56, 7,178.04 and 3,435.12 is: 4,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.56 : 7,178.04 = 3,435.12 : x
  2. Step 2: Convert to fraction form
    5,200.56/7,178.04 = 3,435.12/x
  3. Step 3: Cross multiply
    5,200.56x = 7,178.04 × 3,435.12
  4. Step 4: Simplify right side
    5,200.56x = 24,657,428.76
  5. Step 5: Solve for x
    x = 24,657,428.76/5,200.56
  6. Step 6: Final answer
    x = 4,741.30

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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.