Home / 3,411.45-5,117.18-1,953.45

Finding the Fourth Proportional to 3,411.45, 5,117.18 and 1,953.45

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Solution

The fourth proportional to 3,411.45, 5,117.18 and 1,953.45 is: 2,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.45 : 5,117.18 = 1,953.45 : x
  2. Step 2: Convert to fraction form
    3,411.45/5,117.18 = 1,953.45/x
  3. Step 3: Cross multiply
    3,411.45x = 5,117.18 × 1,953.45
  4. Step 4: Simplify right side
    3,411.45x = 9,996,145.50
  5. Step 5: Solve for x
    x = 9,996,145.50/3,411.45
  6. Step 6: Final answer
    x = 2,930.18

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.