Home / 3,475.68-4,795.88-1,983.60

Finding the Fourth Proportional to 3,475.68, 4,795.88 and 1,983.60

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Solution

The fourth proportional to 3,475.68, 4,795.88 and 1,983.60 is: 2,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.68 : 4,795.88 = 1,983.60 : x
  2. Step 2: Convert to fraction form
    3,475.68/4,795.88 = 1,983.60/x
  3. Step 3: Cross multiply
    3,475.68x = 4,795.88 × 1,983.60
  4. Step 4: Simplify right side
    3,475.68x = 9,513,107.57
  5. Step 5: Solve for x
    x = 9,513,107.57/3,475.68
  6. Step 6: Final answer
    x = 2,737.05

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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.