Home / 2,607.63-3,587.40-2,276.76

Finding the Fourth Proportional to 2,607.63, 3,587.40 and 2,276.76

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Solution

The fourth proportional to 2,607.63, 3,587.40 and 2,276.76 is: 3,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.63 : 3,587.40 = 2,276.76 : x
  2. Step 2: Convert to fraction form
    2,607.63/3,587.40 = 2,276.76/x
  3. Step 3: Cross multiply
    2,607.63x = 3,587.40 × 2,276.76
  4. Step 4: Simplify right side
    2,607.63x = 8,167,648.82
  5. Step 5: Solve for x
    x = 8,167,648.82/2,607.63
  6. Step 6: Final answer
    x = 3,132.21

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Half 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.