Home / 7,238.73-9,988.08-4,587.03

Finding the Fourth Proportional to 7,238.73, 9,988.08 and 4,587.03

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Solution

The fourth proportional to 7,238.73, 9,988.08 and 4,587.03 is: 6,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.73 : 9,988.08 = 4,587.03 : x
  2. Step 2: Convert to fraction form
    7,238.73/9,988.08 = 4,587.03/x
  3. Step 3: Cross multiply
    7,238.73x = 9,988.08 × 4,587.03
  4. Step 4: Simplify right side
    7,238.73x = 45,815,622.60
  5. Step 5: Solve for x
    x = 45,815,622.60/7,238.73
  6. Step 6: Final answer
    x = 6,329.23

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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.