Home / 5,154.74-7,113.52-2,796.93

Finding the Fourth Proportional to 5,154.74, 7,113.52 and 2,796.93

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Solution

The fourth proportional to 5,154.74, 7,113.52 and 2,796.93 is: 3,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.74 : 7,113.52 = 2,796.93 : x
  2. Step 2: Convert to fraction form
    5,154.74/7,113.52 = 2,796.93/x
  3. Step 3: Cross multiply
    5,154.74x = 7,113.52 × 2,796.93
  4. Step 4: Simplify right side
    5,154.74x = 19,896,020.99
  5. Step 5: Solve for x
    x = 19,896,020.99/5,154.74
  6. Step 6: Final answer
    x = 3,859.75

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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.