Home / 1,277.35-1,915.85-583.27

Finding the Fourth Proportional to 1,277.35, 1,915.85 and 583.27

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Solution

The fourth proportional to 1,277.35, 1,915.85 and 583.27 is: 874.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277.35 : 1,915.85 = 583.27 : x
  2. Step 2: Convert to fraction form
    1,277.35/1,915.85 = 583.27/x
  3. Step 3: Cross multiply
    1,277.35x = 1,915.85 × 583.27
  4. Step 4: Simplify right side
    1,277.35x = 1,117,457.83
  5. Step 5: Solve for x
    x = 1,117,457.83/1,277.35
  6. Step 6: Final answer
    x = 874.83

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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.