Home / 4,718.79-7,075.76-3,076.11

Finding the Fourth Proportional to 4,718.79, 7,075.76 and 3,076.11

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Solution

The fourth proportional to 4,718.79, 7,075.76 and 3,076.11 is: 4,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.79 : 7,075.76 = 3,076.11 : x
  2. Step 2: Convert to fraction form
    4,718.79/7,075.76 = 3,076.11/x
  3. Step 3: Cross multiply
    4,718.79x = 7,075.76 × 3,076.11
  4. Step 4: Simplify right side
    4,718.79x = 21,765,800.71
  5. Step 5: Solve for x
    x = 21,765,800.71/4,718.79
  6. Step 6: Final answer
    x = 4,612.58

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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.