Home / 4,905.76-7,364.40-3,061.12

Finding the Fourth Proportional to 4,905.76, 7,364.40 and 3,061.12

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Solution

The fourth proportional to 4,905.76, 7,364.40 and 3,061.12 is: 4,595.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.76 : 7,364.40 = 3,061.12 : x
  2. Step 2: Convert to fraction form
    4,905.76/7,364.40 = 3,061.12/x
  3. Step 3: Cross multiply
    4,905.76x = 7,364.40 × 3,061.12
  4. Step 4: Simplify right side
    4,905.76x = 22,543,312.13
  5. Step 5: Solve for x
    x = 22,543,312.13/4,905.76
  6. Step 6: Final answer
    x = 4,595.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.