Home / 7,180.17-9,910.58-4,662.13

Finding the Fourth Proportional to 7,180.17, 9,910.58 and 4,662.13

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Solution

The fourth proportional to 7,180.17, 9,910.58 and 4,662.13 is: 6,435.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.17 : 9,910.58 = 4,662.13 : x
  2. Step 2: Convert to fraction form
    7,180.17/9,910.58 = 4,662.13/x
  3. Step 3: Cross multiply
    7,180.17x = 9,910.58 × 4,662.13
  4. Step 4: Simplify right side
    7,180.17x = 46,204,412.34
  5. Step 5: Solve for x
    x = 46,204,412.34/7,180.17
  6. Step 6: Final answer
    x = 6,435.00

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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.