Home / 5,157.99-7,117.79-3,033.59

Finding the Fourth Proportional to 5,157.99, 7,117.79 and 3,033.59

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Solution

The fourth proportional to 5,157.99, 7,117.79 and 3,033.59 is: 4,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.99 : 7,117.79 = 3,033.59 : x
  2. Step 2: Convert to fraction form
    5,157.99/7,117.79 = 3,033.59/x
  3. Step 3: Cross multiply
    5,157.99x = 7,117.79 × 3,033.59
  4. Step 4: Simplify right side
    5,157.99x = 21,592,405.81
  5. Step 5: Solve for x
    x = 21,592,405.81/5,157.99
  6. Step 6: Final answer
    x = 4,186.21

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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.