Home / 7,901.25-10,901.79-4,712.48

Finding the Fourth Proportional to 7,901.25, 10,901.79 and 4,712.48

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Solution

The fourth proportional to 7,901.25, 10,901.79 and 4,712.48 is: 6,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.25 : 10,901.79 = 4,712.48 : x
  2. Step 2: Convert to fraction form
    7,901.25/10,901.79 = 4,712.48/x
  3. Step 3: Cross multiply
    7,901.25x = 10,901.79 × 4,712.48
  4. Step 4: Simplify right side
    7,901.25x = 51,374,453.71
  5. Step 5: Solve for x
    x = 51,374,453.71/7,901.25
  6. Step 6: Final answer
    x = 6,502.07

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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.