Home / 3,718.17-5,131.64-2,374.36

Finding the Fourth Proportional to 3,718.17, 5,131.64 and 2,374.36

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Solution

The fourth proportional to 3,718.17, 5,131.64 and 2,374.36 is: 3,276.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.17 : 5,131.64 = 2,374.36 : x
  2. Step 2: Convert to fraction form
    3,718.17/5,131.64 = 2,374.36/x
  3. Step 3: Cross multiply
    3,718.17x = 5,131.64 × 2,374.36
  4. Step 4: Simplify right side
    3,718.17x = 12,184,353.86
  5. Step 5: Solve for x
    x = 12,184,353.86/3,718.17
  6. Step 6: Final answer
    x = 3,276.98

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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.