Home / 2,047.56-3,070.62-1,171.32

Finding the Fourth Proportional to 2,047.56, 3,070.62 and 1,171.32

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Solution

The fourth proportional to 2,047.56, 3,070.62 and 1,171.32 is: 1,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.56 : 3,070.62 = 1,171.32 : x
  2. Step 2: Convert to fraction form
    2,047.56/3,070.62 = 1,171.32/x
  3. Step 3: Cross multiply
    2,047.56x = 3,070.62 × 1,171.32
  4. Step 4: Simplify right side
    2,047.56x = 3,596,678.62
  5. Step 5: Solve for x
    x = 3,596,678.62/2,047.56
  6. Step 6: Final answer
    x = 1,756.57

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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.