Home / 5,645.54-8,470.48-2,357.76

Finding the Fourth Proportional to 5,645.54, 8,470.48 and 2,357.76

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Solution

The fourth proportional to 5,645.54, 8,470.48 and 2,357.76 is: 3,537.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.54 : 8,470.48 = 2,357.76 : x
  2. Step 2: Convert to fraction form
    5,645.54/8,470.48 = 2,357.76/x
  3. Step 3: Cross multiply
    5,645.54x = 8,470.48 × 2,357.76
  4. Step 4: Simplify right side
    5,645.54x = 19,971,358.92
  5. Step 5: Solve for x
    x = 19,971,358.92/5,645.54
  6. Step 6: Final answer
    x = 3,537.55

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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.