Home / 5,715.12-8,573.74-2,595.34

Finding the Fourth Proportional to 5,715.12, 8,573.74 and 2,595.34

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Solution

The fourth proportional to 5,715.12, 8,573.74 and 2,595.34 is: 3,893.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.12 : 8,573.74 = 2,595.34 : x
  2. Step 2: Convert to fraction form
    5,715.12/8,573.74 = 2,595.34/x
  3. Step 3: Cross multiply
    5,715.12x = 8,573.74 × 2,595.34
  4. Step 4: Simplify right side
    5,715.12x = 22,251,789.20
  5. Step 5: Solve for x
    x = 22,251,789.20/5,715.12
  6. Step 6: Final answer
    x = 3,893.50

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Double scale
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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.