Home / 3,207.27-4,425.53-1,880.76

Finding the Fourth Proportional to 3,207.27, 4,425.53 and 1,880.76

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Solution

The fourth proportional to 3,207.27, 4,425.53 and 1,880.76 is: 2,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.27 : 4,425.53 = 1,880.76 : x
  2. Step 2: Convert to fraction form
    3,207.27/4,425.53 = 1,880.76/x
  3. Step 3: Cross multiply
    3,207.27x = 4,425.53 × 1,880.76
  4. Step 4: Simplify right side
    3,207.27x = 8,323,350.40
  5. Step 5: Solve for x
    x = 8,323,350.40/3,207.27
  6. Step 6: Final answer
    x = 2,595.15

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Half scale
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Double scale
Find fourth proportional to 3,208.27, 4,426.90 and 1,881.76
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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.