Home / 5,809.48-8,016.76-3,156.87

Finding the Fourth Proportional to 5,809.48, 8,016.76 and 3,156.87

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Solution

The fourth proportional to 5,809.48, 8,016.76 and 3,156.87 is: 4,356.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.48 : 8,016.76 = 3,156.87 : x
  2. Step 2: Convert to fraction form
    5,809.48/8,016.76 = 3,156.87/x
  3. Step 3: Cross multiply
    5,809.48x = 8,016.76 × 3,156.87
  4. Step 4: Simplify right side
    5,809.48x = 25,307,898.71
  5. Step 5: Solve for x
    x = 25,307,898.71/5,809.48
  6. Step 6: Final answer
    x = 4,356.31

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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.