Home / 5,154.86-7,113.48-2,797.04

Finding the Fourth Proportional to 5,154.86, 7,113.48 and 2,797.04

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Solution

The fourth proportional to 5,154.86, 7,113.48 and 2,797.04 is: 3,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.86 : 7,113.48 = 2,797.04 : x
  2. Step 2: Convert to fraction form
    5,154.86/7,113.48 = 2,797.04/x
  3. Step 3: Cross multiply
    5,154.86x = 7,113.48 × 2,797.04
  4. Step 4: Simplify right side
    5,154.86x = 19,896,688.10
  5. Step 5: Solve for x
    x = 19,896,688.10/5,154.86
  6. Step 6: Final answer
    x = 3,859.79

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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.