Home / 2,055.10-2,835.39-1,170.85

Finding the Fourth Proportional to 2,055.10, 2,835.39 and 1,170.85

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Solution

The fourth proportional to 2,055.10, 2,835.39 and 1,170.85 is: 1,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.10 : 2,835.39 = 1,170.85 : x
  2. Step 2: Convert to fraction form
    2,055.10/2,835.39 = 1,170.85/x
  3. Step 3: Cross multiply
    2,055.10x = 2,835.39 × 1,170.85
  4. Step 4: Simplify right side
    2,055.10x = 3,319,816.38
  5. Step 5: Solve for x
    x = 3,319,816.38/2,055.10
  6. Step 6: Final answer
    x = 1,615.40

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Half scale
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Double scale
Find fourth proportional to 2,056.10, 2,836.77 and 1,171.85
Similar ratio
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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.