Home / 3,904.46-5,389.72-2,332.26

Finding the Fourth Proportional to 3,904.46, 5,389.72 and 2,332.26

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Solution

The fourth proportional to 3,904.46, 5,389.72 and 2,332.26 is: 3,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.46 : 5,389.72 = 2,332.26 : x
  2. Step 2: Convert to fraction form
    3,904.46/5,389.72 = 2,332.26/x
  3. Step 3: Cross multiply
    3,904.46x = 5,389.72 × 2,332.26
  4. Step 4: Simplify right side
    3,904.46x = 12,570,228.37
  5. Step 5: Solve for x
    x = 12,570,228.37/3,904.46
  6. Step 6: Final answer
    x = 3,219.45

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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.