Home / 5,587.23-7,708.63-3,228.51

Finding the Fourth Proportional to 5,587.23, 7,708.63 and 3,228.51

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Solution

The fourth proportional to 5,587.23, 7,708.63 and 3,228.51 is: 4,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.23 : 7,708.63 = 3,228.51 : x
  2. Step 2: Convert to fraction form
    5,587.23/7,708.63 = 3,228.51/x
  3. Step 3: Cross multiply
    5,587.23x = 7,708.63 × 3,228.51
  4. Step 4: Simplify right side
    5,587.23x = 24,887,389.04
  5. Step 5: Solve for x
    x = 24,887,389.04/5,587.23
  6. Step 6: Final answer
    x = 4,454.33

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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.