Home / 2,318.07-3,477.11-1,019.45

Finding the Fourth Proportional to 2,318.07, 3,477.11 and 1,019.45

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Solution

The fourth proportional to 2,318.07, 3,477.11 and 1,019.45 is: 1,529.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.07 : 3,477.11 = 1,019.45 : x
  2. Step 2: Convert to fraction form
    2,318.07/3,477.11 = 1,019.45/x
  3. Step 3: Cross multiply
    2,318.07x = 3,477.11 × 1,019.45
  4. Step 4: Simplify right side
    2,318.07x = 3,544,717.31
  5. Step 5: Solve for x
    x = 3,544,717.31/2,318.07
  6. Step 6: Final answer
    x = 1,529.17

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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.