Home / 5,045.76-7,569.45-2,124.23

Finding the Fourth Proportional to 5,045.76, 7,569.45 and 2,124.23

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Solution

The fourth proportional to 5,045.76, 7,569.45 and 2,124.23 is: 3,186.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.76 : 7,569.45 = 2,124.23 : x
  2. Step 2: Convert to fraction form
    5,045.76/7,569.45 = 2,124.23/x
  3. Step 3: Cross multiply
    5,045.76x = 7,569.45 × 2,124.23
  4. Step 4: Simplify right side
    5,045.76x = 16,079,214.93
  5. Step 5: Solve for x
    x = 16,079,214.93/5,045.76
  6. Step 6: Final answer
    x = 3,186.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.