Home / 3,281.92-4,528.20-1,955.04

Finding the Fourth Proportional to 3,281.92, 4,528.20 and 1,955.04

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Solution

The fourth proportional to 3,281.92, 4,528.20 and 1,955.04 is: 2,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.92 : 4,528.20 = 1,955.04 : x
  2. Step 2: Convert to fraction form
    3,281.92/4,528.20 = 1,955.04/x
  3. Step 3: Cross multiply
    3,281.92x = 4,528.20 × 1,955.04
  4. Step 4: Simplify right side
    3,281.92x = 8,852,812.13
  5. Step 5: Solve for x
    x = 8,852,812.13/3,281.92
  6. Step 6: Final answer
    x = 2,697.45

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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.