Home / 4,871.95-6,718.88-3,192.75

Finding the Fourth Proportional to 4,871.95, 6,718.88 and 3,192.75

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Solution

The fourth proportional to 4,871.95, 6,718.88 and 3,192.75 is: 4,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.95 : 6,718.88 = 3,192.75 : x
  2. Step 2: Convert to fraction form
    4,871.95/6,718.88 = 3,192.75/x
  3. Step 3: Cross multiply
    4,871.95x = 6,718.88 × 3,192.75
  4. Step 4: Simplify right side
    4,871.95x = 21,451,688.16
  5. Step 5: Solve for x
    x = 21,451,688.16/4,871.95
  6. Step 6: Final answer
    x = 4,403.10

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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.