Home / 2,124.46-2,931.69-1,180.22

Finding the Fourth Proportional to 2,124.46, 2,931.69 and 1,180.22

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Solution

The fourth proportional to 2,124.46, 2,931.69 and 1,180.22 is: 1,628.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.46 : 2,931.69 = 1,180.22 : x
  2. Step 2: Convert to fraction form
    2,124.46/2,931.69 = 1,180.22/x
  3. Step 3: Cross multiply
    2,124.46x = 2,931.69 × 1,180.22
  4. Step 4: Simplify right side
    2,124.46x = 3,460,039.17
  5. Step 5: Solve for x
    x = 3,460,039.17/2,124.46
  6. Step 6: Final answer
    x = 1,628.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.