Home / 5,814.46-8,020.56-5,425.66

Finding the Fourth Proportional to 5,814.46, 8,020.56 and 5,425.66

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Solution

The fourth proportional to 5,814.46, 8,020.56 and 5,425.66 is: 7,484.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.46 : 8,020.56 = 5,425.66 : x
  2. Step 2: Convert to fraction form
    5,814.46/8,020.56 = 5,425.66/x
  3. Step 3: Cross multiply
    5,814.46x = 8,020.56 × 5,425.66
  4. Step 4: Simplify right side
    5,814.46x = 43,516,831.57
  5. Step 5: Solve for x
    x = 43,516,831.57/5,814.46
  6. Step 6: Final answer
    x = 7,484.24

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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.