Home / 7,478.52-10,320.92-4,334.68

Finding the Fourth Proportional to 7,478.52, 10,320.92 and 4,334.68

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Solution

The fourth proportional to 7,478.52, 10,320.92 and 4,334.68 is: 5,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.52 : 10,320.92 = 4,334.68 : x
  2. Step 2: Convert to fraction form
    7,478.52/10,320.92 = 4,334.68/x
  3. Step 3: Cross multiply
    7,478.52x = 10,320.92 × 4,334.68
  4. Step 4: Simplify right side
    7,478.52x = 44,737,885.51
  5. Step 5: Solve for x
    x = 44,737,885.51/7,478.52
  6. Step 6: Final answer
    x = 5,982.18

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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.