Home / 5,134.46-7,085.54-2,776.59

Finding the Fourth Proportional to 5,134.46, 7,085.54 and 2,776.59

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Solution

The fourth proportional to 5,134.46, 7,085.54 and 2,776.59 is: 3,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.46 : 7,085.54 = 2,776.59 : x
  2. Step 2: Convert to fraction form
    5,134.46/7,085.54 = 2,776.59/x
  3. Step 3: Cross multiply
    5,134.46x = 7,085.54 × 2,776.59
  4. Step 4: Simplify right side
    5,134.46x = 19,673,625.63
  5. Step 5: Solve for x
    x = 19,673,625.63/5,134.46
  6. Step 6: Final answer
    x = 3,831.69

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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.