Home / 6,515.28-8,982.63-4,153.32

Finding the Fourth Proportional to 6,515.28, 8,982.63 and 4,153.32

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Solution

The fourth proportional to 6,515.28, 8,982.63 and 4,153.32 is: 5,726.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.28 : 8,982.63 = 4,153.32 : x
  2. Step 2: Convert to fraction form
    6,515.28/8,982.63 = 4,153.32/x
  3. Step 3: Cross multiply
    6,515.28x = 8,982.63 × 4,153.32
  4. Step 4: Simplify right side
    6,515.28x = 37,307,736.83
  5. Step 5: Solve for x
    x = 37,307,736.83/6,515.28
  6. Step 6: Final answer
    x = 5,726.19

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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.