Home / 3,530.59-4,872.27-1,937.40

Finding the Fourth Proportional to 3,530.59, 4,872.27 and 1,937.40

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Solution

The fourth proportional to 3,530.59, 4,872.27 and 1,937.40 is: 2,673.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.59 : 4,872.27 = 1,937.40 : x
  2. Step 2: Convert to fraction form
    3,530.59/4,872.27 = 1,937.40/x
  3. Step 3: Cross multiply
    3,530.59x = 4,872.27 × 1,937.40
  4. Step 4: Simplify right side
    3,530.59x = 9,439,503.98
  5. Step 5: Solve for x
    x = 9,439,503.98/3,530.59
  6. Step 6: Final answer
    x = 2,673.63

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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.