Home / 6,325.60-8,721.68-4,828.96

Finding the Fourth Proportional to 6,325.60, 8,721.68 and 4,828.96

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Solution

The fourth proportional to 6,325.60, 8,721.68 and 4,828.96 is: 6,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,325.60 : 8,721.68 = 4,828.96 : x
  2. Step 2: Convert to fraction form
    6,325.60/8,721.68 = 4,828.96/x
  3. Step 3: Cross multiply
    6,325.60x = 8,721.68 × 4,828.96
  4. Step 4: Simplify right side
    6,325.60x = 42,116,643.85
  5. Step 5: Solve for x
    x = 42,116,643.85/6,325.60
  6. Step 6: Final answer
    x = 6,658.13

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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.