Home / 6,484.92-8,946.28-3,831.16

Finding the Fourth Proportional to 6,484.92, 8,946.28 and 3,831.16

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Solution

The fourth proportional to 6,484.92, 8,946.28 and 3,831.16 is: 5,285.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.92 : 8,946.28 = 3,831.16 : x
  2. Step 2: Convert to fraction form
    6,484.92/8,946.28 = 3,831.16/x
  3. Step 3: Cross multiply
    6,484.92x = 8,946.28 × 3,831.16
  4. Step 4: Simplify right side
    6,484.92x = 34,274,630.08
  5. Step 5: Solve for x
    x = 34,274,630.08/6,484.92
  6. Step 6: Final answer
    x = 5,285.28

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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.