Home / 7,261.09-10,020.25-4,030.87

Finding the Fourth Proportional to 7,261.09, 10,020.25 and 4,030.87

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Solution

The fourth proportional to 7,261.09, 10,020.25 and 4,030.87 is: 5,562.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.09 : 10,020.25 = 4,030.87 : x
  2. Step 2: Convert to fraction form
    7,261.09/10,020.25 = 4,030.87/x
  3. Step 3: Cross multiply
    7,261.09x = 10,020.25 × 4,030.87
  4. Step 4: Simplify right side
    7,261.09x = 40,390,254.86
  5. Step 5: Solve for x
    x = 40,390,254.86/7,261.09
  6. Step 6: Final answer
    x = 5,562.56

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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.