Home / 5,425.04-7,487.34-3,435.78

Finding the Fourth Proportional to 5,425.04, 7,487.34 and 3,435.78

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Solution

The fourth proportional to 5,425.04, 7,487.34 and 3,435.78 is: 4,741.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.04 : 7,487.34 = 3,435.78 : x
  2. Step 2: Convert to fraction form
    5,425.04/7,487.34 = 3,435.78/x
  3. Step 3: Cross multiply
    5,425.04x = 7,487.34 × 3,435.78
  4. Step 4: Simplify right side
    5,425.04x = 25,724,868.22
  5. Step 5: Solve for x
    x = 25,724,868.22/5,425.04
  6. Step 6: Final answer
    x = 4,741.87

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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.