Home / 7,970.19-11,959.40-3,586.74

Finding the Fourth Proportional to 7,970.19, 11,959.40 and 3,586.74

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Solution

The fourth proportional to 7,970.19, 11,959.40 and 3,586.74 is: 5,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.19 : 11,959.40 = 3,586.74 : x
  2. Step 2: Convert to fraction form
    7,970.19/11,959.40 = 3,586.74/x
  3. Step 3: Cross multiply
    7,970.19x = 11,959.40 × 3,586.74
  4. Step 4: Simplify right side
    7,970.19x = 42,895,258.36
  5. Step 5: Solve for x
    x = 42,895,258.36/7,970.19
  6. Step 6: Final answer
    x = 5,381.96

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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.