Home / 7,410.65-11,116.17-2,480.31

Finding the Fourth Proportional to 7,410.65, 11,116.17 and 2,480.31

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Solution

The fourth proportional to 7,410.65, 11,116.17 and 2,480.31 is: 3,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.65 : 11,116.17 = 2,480.31 : x
  2. Step 2: Convert to fraction form
    7,410.65/11,116.17 = 2,480.31/x
  3. Step 3: Cross multiply
    7,410.65x = 11,116.17 × 2,480.31
  4. Step 4: Simplify right side
    7,410.65x = 27,571,547.61
  5. Step 5: Solve for x
    x = 27,571,547.61/7,410.65
  6. Step 6: Final answer
    x = 3,720.53

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1.5x scale

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.