Home / 5,159.99-7,117.52-3,563.88

Finding the Fourth Proportional to 5,159.99, 7,117.52 and 3,563.88

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Solution

The fourth proportional to 5,159.99, 7,117.52 and 3,563.88 is: 4,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.99 : 7,117.52 = 3,563.88 : x
  2. Step 2: Convert to fraction form
    5,159.99/7,117.52 = 3,563.88/x
  3. Step 3: Cross multiply
    5,159.99x = 7,117.52 × 3,563.88
  4. Step 4: Simplify right side
    5,159.99x = 25,365,969.36
  5. Step 5: Solve for x
    x = 25,365,969.36/5,159.99
  6. Step 6: Final answer
    x = 4,915.90

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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.