Home / 1,880.45-2,820.68-1,048.02

Finding the Fourth Proportional to 1,880.45, 2,820.68 and 1,048.02

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Solution

The fourth proportional to 1,880.45, 2,820.68 and 1,048.02 is: 1,572.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880.45 : 2,820.68 = 1,048.02 : x
  2. Step 2: Convert to fraction form
    1,880.45/2,820.68 = 1,048.02/x
  3. Step 3: Cross multiply
    1,880.45x = 2,820.68 × 1,048.02
  4. Step 4: Simplify right side
    1,880.45x = 2,956,123.81
  5. Step 5: Solve for x
    x = 2,956,123.81/1,880.45
  6. Step 6: Final answer
    x = 1,572.03

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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.