Home / 2,915.83-4,023.81-1,589.53

Finding the Fourth Proportional to 2,915.83, 4,023.81 and 1,589.53

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Solution

The fourth proportional to 2,915.83, 4,023.81 and 1,589.53 is: 2,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.83 : 4,023.81 = 1,589.53 : x
  2. Step 2: Convert to fraction form
    2,915.83/4,023.81 = 1,589.53/x
  3. Step 3: Cross multiply
    2,915.83x = 4,023.81 × 1,589.53
  4. Step 4: Simplify right side
    2,915.83x = 6,395,966.71
  5. Step 5: Solve for x
    x = 6,395,966.71/2,915.83
  6. Step 6: Final answer
    x = 2,193.53

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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.