Home / 5,346.19-8,018.76-1,647.42

Finding the Fourth Proportional to 5,346.19, 8,018.76 and 1,647.42

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Solution

The fourth proportional to 5,346.19, 8,018.76 and 1,647.42 is: 2,470.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.19 : 8,018.76 = 1,647.42 : x
  2. Step 2: Convert to fraction form
    5,346.19/8,018.76 = 1,647.42/x
  3. Step 3: Cross multiply
    5,346.19x = 8,018.76 × 1,647.42
  4. Step 4: Simplify right side
    5,346.19x = 13,210,278.71
  5. Step 5: Solve for x
    x = 13,210,278.71/5,346.19
  6. Step 6: Final answer
    x = 2,470.97

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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.