Home / 5,595.39-8,390.79-2,085.63

Finding the Fourth Proportional to 5,595.39, 8,390.79 and 2,085.63

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Solution

The fourth proportional to 5,595.39, 8,390.79 and 2,085.63 is: 3,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595.39 : 8,390.79 = 2,085.63 : x
  2. Step 2: Convert to fraction form
    5,595.39/8,390.79 = 2,085.63/x
  3. Step 3: Cross multiply
    5,595.39x = 8,390.79 × 2,085.63
  4. Step 4: Simplify right side
    5,595.39x = 17,500,083.35
  5. Step 5: Solve for x
    x = 17,500,083.35/5,595.39
  6. Step 6: Final answer
    x = 3,127.59

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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.