Home / 7,311.94-10,090.47-4,125.91

Finding the Fourth Proportional to 7,311.94, 10,090.47 and 4,125.91

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Solution

The fourth proportional to 7,311.94, 10,090.47 and 4,125.91 is: 5,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.94 : 10,090.47 = 4,125.91 : x
  2. Step 2: Convert to fraction form
    7,311.94/10,090.47 = 4,125.91/x
  3. Step 3: Cross multiply
    7,311.94x = 10,090.47 × 4,125.91
  4. Step 4: Simplify right side
    7,311.94x = 41,632,347.28
  5. Step 5: Solve for x
    x = 41,632,347.28/7,311.94
  6. Step 6: Final answer
    x = 5,693.75

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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.