Home / 4,913.09-7,368.60-1,581.64

Finding the Fourth Proportional to 4,913.09, 7,368.60 and 1,581.64

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Solution

The fourth proportional to 4,913.09, 7,368.60 and 1,581.64 is: 2,372.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.09 : 7,368.60 = 1,581.64 : x
  2. Step 2: Convert to fraction form
    4,913.09/7,368.60 = 1,581.64/x
  3. Step 3: Cross multiply
    4,913.09x = 7,368.60 × 1,581.64
  4. Step 4: Simplify right side
    4,913.09x = 11,654,483.70
  5. Step 5: Solve for x
    x = 11,654,483.70/4,913.09
  6. Step 6: Final answer
    x = 2,372.13

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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.