Home / 3,554.58-5,332.71-1,910.70

Finding the Fourth Proportional to 3,554.58, 5,332.71 and 1,910.70

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Solution

The fourth proportional to 3,554.58, 5,332.71 and 1,910.70 is: 2,866.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.58 : 5,332.71 = 1,910.70 : x
  2. Step 2: Convert to fraction form
    3,554.58/5,332.71 = 1,910.70/x
  3. Step 3: Cross multiply
    3,554.58x = 5,332.71 × 1,910.70
  4. Step 4: Simplify right side
    3,554.58x = 10,189,209.00
  5. Step 5: Solve for x
    x = 10,189,209.00/3,554.58
  6. Step 6: Final answer
    x = 2,866.50

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Half scale
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Double scale
Find fourth proportional to 3,555.58, 5,334.21 and 1,911.70
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.