Home / 7,549.31-11,317.04-2,615.50

Finding the Fourth Proportional to 7,549.31, 11,317.04 and 2,615.50

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Solution

The fourth proportional to 7,549.31, 11,317.04 and 2,615.50 is: 3,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.31 : 11,317.04 = 2,615.50 : x
  2. Step 2: Convert to fraction form
    7,549.31/11,317.04 = 2,615.50/x
  3. Step 3: Cross multiply
    7,549.31x = 11,317.04 × 2,615.50
  4. Step 4: Simplify right side
    7,549.31x = 29,599,752.27
  5. Step 5: Solve for x
    x = 29,599,752.27/7,549.31
  6. Step 6: Final answer
    x = 3,920.85

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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.