Home / 7,540.08-10,407.44-5,302.48

Finding the Fourth Proportional to 7,540.08, 10,407.44 and 5,302.48

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Solution

The fourth proportional to 7,540.08, 10,407.44 and 5,302.48 is: 7,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.08 : 10,407.44 = 5,302.48 : x
  2. Step 2: Convert to fraction form
    7,540.08/10,407.44 = 5,302.48/x
  3. Step 3: Cross multiply
    7,540.08x = 10,407.44 × 5,302.48
  4. Step 4: Simplify right side
    7,540.08x = 55,185,242.45
  5. Step 5: Solve for x
    x = 55,185,242.45/7,540.08
  6. Step 6: Final answer
    x = 7,318.92

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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.