Home / 5,616.45-8,424.70-1,456.17

Finding the Fourth Proportional to 5,616.45, 8,424.70 and 1,456.17

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Solution

The fourth proportional to 5,616.45, 8,424.70 and 1,456.17 is: 2,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.45 : 8,424.70 = 1,456.17 : x
  2. Step 2: Convert to fraction form
    5,616.45/8,424.70 = 1,456.17/x
  3. Step 3: Cross multiply
    5,616.45x = 8,424.70 × 1,456.17
  4. Step 4: Simplify right side
    5,616.45x = 12,267,753.28
  5. Step 5: Solve for x
    x = 12,267,753.28/5,616.45
  6. Step 6: Final answer
    x = 2,184.25

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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.