Home / 4,880.92-7,312.18-2,412.88

Finding the Fourth Proportional to 4,880.92, 7,312.18 and 2,412.88

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Solution

The fourth proportional to 4,880.92, 7,312.18 and 2,412.88 is: 3,614.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.92 : 7,312.18 = 2,412.88 : x
  2. Step 2: Convert to fraction form
    4,880.92/7,312.18 = 2,412.88/x
  3. Step 3: Cross multiply
    4,880.92x = 7,312.18 × 2,412.88
  4. Step 4: Simplify right side
    4,880.92x = 17,643,412.88
  5. Step 5: Solve for x
    x = 17,643,412.88/4,880.92
  6. Step 6: Final answer
    x = 3,614.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.