Home / 3,495.40-4,823.68-1,902.08

Finding the Fourth Proportional to 3,495.40, 4,823.68 and 1,902.08

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Solution

The fourth proportional to 3,495.40, 4,823.68 and 1,902.08 is: 2,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.40 : 4,823.68 = 1,902.08 : x
  2. Step 2: Convert to fraction form
    3,495.40/4,823.68 = 1,902.08/x
  3. Step 3: Cross multiply
    3,495.40x = 4,823.68 × 1,902.08
  4. Step 4: Simplify right side
    3,495.40x = 9,175,015.74
  5. Step 5: Solve for x
    x = 9,175,015.74/3,495.40
  6. Step 6: Final answer
    x = 2,624.88

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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.