Home / 7,355.70-10,153.18-4,703.12

Finding the Fourth Proportional to 7,355.70, 10,153.18 and 4,703.12

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Solution

The fourth proportional to 7,355.70, 10,153.18 and 4,703.12 is: 6,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.70 : 10,153.18 = 4,703.12 : x
  2. Step 2: Convert to fraction form
    7,355.70/10,153.18 = 4,703.12/x
  3. Step 3: Cross multiply
    7,355.70x = 10,153.18 × 4,703.12
  4. Step 4: Simplify right side
    7,355.70x = 47,751,573.16
  5. Step 5: Solve for x
    x = 47,751,573.16/7,355.70
  6. Step 6: Final answer
    x = 6,491.78

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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.