Home / 5,134.32-7,085.34-2,776.46

Finding the Fourth Proportional to 5,134.32, 7,085.34 and 2,776.46

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Solution

The fourth proportional to 5,134.32, 7,085.34 and 2,776.46 is: 3,831.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.32 : 7,085.34 = 2,776.46 : x
  2. Step 2: Convert to fraction form
    5,134.32/7,085.34 = 2,776.46/x
  3. Step 3: Cross multiply
    5,134.32x = 7,085.34 × 2,776.46
  4. Step 4: Simplify right side
    5,134.32x = 19,672,163.10
  5. Step 5: Solve for x
    x = 19,672,163.10/5,134.32
  6. Step 6: Final answer
    x = 3,831.50

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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.