Home / 3,924.81-5,417.18-2,247.19

Finding the Fourth Proportional to 3,924.81, 5,417.18 and 2,247.19

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Solution

The fourth proportional to 3,924.81, 5,417.18 and 2,247.19 is: 3,101.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.81 : 5,417.18 = 2,247.19 : x
  2. Step 2: Convert to fraction form
    3,924.81/5,417.18 = 2,247.19/x
  3. Step 3: Cross multiply
    3,924.81x = 5,417.18 × 2,247.19
  4. Step 4: Simplify right side
    3,924.81x = 12,173,407.95
  5. Step 5: Solve for x
    x = 12,173,407.95/3,924.81
  6. Step 6: Final answer
    x = 3,101.66

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Double scale
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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.