Home / 5,456.16-8,178.48-2,957.76

Finding the Fourth Proportional to 5,456.16, 8,178.48 and 2,957.76

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Solution

The fourth proportional to 5,456.16, 8,178.48 and 2,957.76 is: 4,433.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.16 : 8,178.48 = 2,957.76 : x
  2. Step 2: Convert to fraction form
    5,456.16/8,178.48 = 2,957.76/x
  3. Step 3: Cross multiply
    5,456.16x = 8,178.48 × 2,957.76
  4. Step 4: Simplify right side
    5,456.16x = 24,189,981.00
  5. Step 5: Solve for x
    x = 24,189,981.00/5,456.16
  6. Step 6: Final answer
    x = 4,433.52

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1.5x scale

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.