Home / 4,831.25-6,666.30-2,942.19

Finding the Fourth Proportional to 4,831.25, 6,666.30 and 2,942.19

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Solution

The fourth proportional to 4,831.25, 6,666.30 and 2,942.19 is: 4,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.25 : 6,666.30 = 2,942.19 : x
  2. Step 2: Convert to fraction form
    4,831.25/6,666.30 = 2,942.19/x
  3. Step 3: Cross multiply
    4,831.25x = 6,666.30 × 2,942.19
  4. Step 4: Simplify right side
    4,831.25x = 19,613,521.20
  5. Step 5: Solve for x
    x = 19,613,521.20/4,831.25
  6. Step 6: Final answer
    x = 4,059.72

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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.