Home / 3,528.68-4,869.62-1,956.76

Finding the Fourth Proportional to 3,528.68, 4,869.62 and 1,956.76

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Solution

The fourth proportional to 3,528.68, 4,869.62 and 1,956.76 is: 2,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.68 : 4,869.62 = 1,956.76 : x
  2. Step 2: Convert to fraction form
    3,528.68/4,869.62 = 1,956.76/x
  3. Step 3: Cross multiply
    3,528.68x = 4,869.62 × 1,956.76
  4. Step 4: Simplify right side
    3,528.68x = 9,528,677.63
  5. Step 5: Solve for x
    x = 9,528,677.63/3,528.68
  6. Step 6: Final answer
    x = 2,700.35

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Half scale
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Double scale
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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.