Home / 2,931.08-4,392.48-2,583.68

Finding the Fourth Proportional to 2,931.08, 4,392.48 and 2,583.68

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Solution

The fourth proportional to 2,931.08, 4,392.48 and 2,583.68 is: 3,871.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.08 : 4,392.48 = 2,583.68 : x
  2. Step 2: Convert to fraction form
    2,931.08/4,392.48 = 2,583.68/x
  3. Step 3: Cross multiply
    2,931.08x = 4,392.48 × 2,583.68
  4. Step 4: Simplify right side
    2,931.08x = 11,348,762.73
  5. Step 5: Solve for x
    x = 11,348,762.73/2,931.08
  6. Step 6: Final answer
    x = 3,871.87

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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.