Home / 5,276.16-7,907.91-2,461.20

Finding the Fourth Proportional to 5,276.16, 7,907.91 and 2,461.20

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Solution

The fourth proportional to 5,276.16, 7,907.91 and 2,461.20 is: 3,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.16 : 7,907.91 = 2,461.20 : x
  2. Step 2: Convert to fraction form
    5,276.16/7,907.91 = 2,461.20/x
  3. Step 3: Cross multiply
    5,276.16x = 7,907.91 × 2,461.20
  4. Step 4: Simplify right side
    5,276.16x = 19,462,948.09
  5. Step 5: Solve for x
    x = 19,462,948.09/5,276.16
  6. Step 6: Final answer
    x = 3,688.85

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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.