Home / 7,631.31-10,529.34-4,646.97

Finding the Fourth Proportional to 7,631.31, 10,529.34 and 4,646.97

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Solution

The fourth proportional to 7,631.31, 10,529.34 and 4,646.97 is: 6,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.31 : 10,529.34 = 4,646.97 : x
  2. Step 2: Convert to fraction form
    7,631.31/10,529.34 = 4,646.97/x
  3. Step 3: Cross multiply
    7,631.31x = 10,529.34 × 4,646.97
  4. Step 4: Simplify right side
    7,631.31x = 48,929,535.81
  5. Step 5: Solve for x
    x = 48,929,535.81/7,631.31
  6. Step 6: Final answer
    x = 6,411.68

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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.