Home / 2,615.10-3,899.58-2,252.22

Finding the Fourth Proportional to 2,615.10, 3,899.58 and 2,252.22

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Solution

The fourth proportional to 2,615.10, 3,899.58 and 2,252.22 is: 3,358.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.10 : 3,899.58 = 2,252.22 : x
  2. Step 2: Convert to fraction form
    2,615.10/3,899.58 = 2,252.22/x
  3. Step 3: Cross multiply
    2,615.10x = 3,899.58 × 2,252.22
  4. Step 4: Simplify right side
    2,615.10x = 8,782,700.81
  5. Step 5: Solve for x
    x = 8,782,700.81/2,615.10
  6. Step 6: Final answer
    x = 3,358.46

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Half scale
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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.