Home / 4,043.77-5,580.39-2,275.36

Finding the Fourth Proportional to 4,043.77, 5,580.39 and 2,275.36

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Solution

The fourth proportional to 4,043.77, 5,580.39 and 2,275.36 is: 3,139.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.77 : 5,580.39 = 2,275.36 : x
  2. Step 2: Convert to fraction form
    4,043.77/5,580.39 = 2,275.36/x
  3. Step 3: Cross multiply
    4,043.77x = 5,580.39 × 2,275.36
  4. Step 4: Simplify right side
    4,043.77x = 12,697,396.19
  5. Step 5: Solve for x
    x = 12,697,396.19/4,043.77
  6. Step 6: Final answer
    x = 3,139.99

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Half scale
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Double scale
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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.