Home / 3,884.95-5,363.18-2,470.06

Finding the Fourth Proportional to 3,884.95, 5,363.18 and 2,470.06

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Solution

The fourth proportional to 3,884.95, 5,363.18 and 2,470.06 is: 3,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.95 : 5,363.18 = 2,470.06 : x
  2. Step 2: Convert to fraction form
    3,884.95/5,363.18 = 2,470.06/x
  3. Step 3: Cross multiply
    3,884.95x = 5,363.18 × 2,470.06
  4. Step 4: Simplify right side
    3,884.95x = 13,247,376.39
  5. Step 5: Solve for x
    x = 13,247,376.39/3,884.95
  6. Step 6: Final answer
    x = 3,409.92

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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.