Home / 7,125.77-9,833.28-4,141.46

Finding the Fourth Proportional to 7,125.77, 9,833.28 and 4,141.46

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Solution

The fourth proportional to 7,125.77, 9,833.28 and 4,141.46 is: 5,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.77 : 9,833.28 = 4,141.46 : x
  2. Step 2: Convert to fraction form
    7,125.77/9,833.28 = 4,141.46/x
  3. Step 3: Cross multiply
    7,125.77x = 9,833.28 × 4,141.46
  4. Step 4: Simplify right side
    7,125.77x = 40,724,135.79
  5. Step 5: Solve for x
    x = 40,724,135.79/7,125.77
  6. Step 6: Final answer
    x = 5,715.05

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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.