Home / 5,587.40-7,709.46-3,348.68

Finding the Fourth Proportional to 5,587.40, 7,709.46 and 3,348.68

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Solution

The fourth proportional to 5,587.40, 7,709.46 and 3,348.68 is: 4,620.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.40 : 7,709.46 = 3,348.68 : x
  2. Step 2: Convert to fraction form
    5,587.40/7,709.46 = 3,348.68/x
  3. Step 3: Cross multiply
    5,587.40x = 7,709.46 × 3,348.68
  4. Step 4: Simplify right side
    5,587.40x = 25,816,514.51
  5. Step 5: Solve for x
    x = 25,816,514.51/5,587.40
  6. Step 6: Final answer
    x = 4,620.49

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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.