Home / 2,915.66-4,368.63-2,048.42

Finding the Fourth Proportional to 2,915.66, 4,368.63 and 2,048.42

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Solution

The fourth proportional to 2,915.66, 4,368.63 and 2,048.42 is: 3,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.66 : 4,368.63 = 2,048.42 : x
  2. Step 2: Convert to fraction form
    2,915.66/4,368.63 = 2,048.42/x
  3. Step 3: Cross multiply
    2,915.66x = 4,368.63 × 2,048.42
  4. Step 4: Simplify right side
    2,915.66x = 8,948,807.67
  5. Step 5: Solve for x
    x = 8,948,807.67/2,915.66
  6. Step 6: Final answer
    x = 3,069.22

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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.