Home / 2,529.81-3,488.49-2,328.93

Finding the Fourth Proportional to 2,529.81, 3,488.49 and 2,328.93

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Solution

The fourth proportional to 2,529.81, 3,488.49 and 2,328.93 is: 3,211.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.81 : 3,488.49 = 2,328.93 : x
  2. Step 2: Convert to fraction form
    2,529.81/3,488.49 = 2,328.93/x
  3. Step 3: Cross multiply
    2,529.81x = 3,488.49 × 2,328.93
  4. Step 4: Simplify right side
    2,529.81x = 8,124,449.02
  5. Step 5: Solve for x
    x = 8,124,449.02/2,529.81
  6. Step 6: Final answer
    x = 3,211.49

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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.