Home / 7,290.54-10,064.25-4,305.42

Finding the Fourth Proportional to 7,290.54, 10,064.25 and 4,305.42

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Solution

The fourth proportional to 7,290.54, 10,064.25 and 4,305.42 is: 5,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.54 : 10,064.25 = 4,305.42 : x
  2. Step 2: Convert to fraction form
    7,290.54/10,064.25 = 4,305.42/x
  3. Step 3: Cross multiply
    7,290.54x = 10,064.25 × 4,305.42
  4. Step 4: Simplify right side
    7,290.54x = 43,330,823.24
  5. Step 5: Solve for x
    x = 43,330,823.24/7,290.54
  6. Step 6: Final answer
    x = 5,943.43

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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.