Home / 4,983.72-7,490.16-4,621.68

Finding the Fourth Proportional to 4,983.72, 7,490.16 and 4,621.68

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Solution

The fourth proportional to 4,983.72, 7,490.16 and 4,621.68 is: 6,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.72 : 7,490.16 = 4,621.68 : x
  2. Step 2: Convert to fraction form
    4,983.72/7,490.16 = 4,621.68/x
  3. Step 3: Cross multiply
    4,983.72x = 7,490.16 × 4,621.68
  4. Step 4: Simplify right side
    4,983.72x = 34,617,122.67
  5. Step 5: Solve for x
    x = 34,617,122.67/4,983.72
  6. Step 6: Final answer
    x = 6,946.04

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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.