Home / 5,340.60-7,370.70-3,102.00

Finding the Fourth Proportional to 5,340.60, 7,370.70 and 3,102.00

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Solution

The fourth proportional to 5,340.60, 7,370.70 and 3,102.00 is: 4,281.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.60 : 7,370.70 = 3,102.00 : x
  2. Step 2: Convert to fraction form
    5,340.60/7,370.70 = 3,102.00/x
  3. Step 3: Cross multiply
    5,340.60x = 7,370.70 × 3,102.00
  4. Step 4: Simplify right side
    5,340.60x = 22,863,872.13
  5. Step 5: Solve for x
    x = 22,863,872.13/5,340.60
  6. Step 6: Final answer
    x = 4,281.14

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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.