Home / 5,599.29-7,726.68-3,240.98

Finding the Fourth Proportional to 5,599.29, 7,726.68 and 3,240.98

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Solution

The fourth proportional to 5,599.29, 7,726.68 and 3,240.98 is: 4,472.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.29 : 7,726.68 = 3,240.98 : x
  2. Step 2: Convert to fraction form
    5,599.29/7,726.68 = 3,240.98/x
  3. Step 3: Cross multiply
    5,599.29x = 7,726.68 × 3,240.98
  4. Step 4: Simplify right side
    5,599.29x = 25,041,976.71
  5. Step 5: Solve for x
    x = 25,041,976.71/5,599.29
  6. Step 6: Final answer
    x = 4,472.35

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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.