Home / 2,915.14-4,026.97-2,030.50

Finding the Fourth Proportional to 2,915.14, 4,026.97 and 2,030.50

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Solution

The fourth proportional to 2,915.14, 4,026.97 and 2,030.50 is: 2,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.14 : 4,026.97 = 2,030.50 : x
  2. Step 2: Convert to fraction form
    2,915.14/4,026.97 = 2,030.50/x
  3. Step 3: Cross multiply
    2,915.14x = 4,026.97 × 2,030.50
  4. Step 4: Simplify right side
    2,915.14x = 8,176,762.59
  5. Step 5: Solve for x
    x = 8,176,762.59/2,915.14
  6. Step 6: Final answer
    x = 2,804.93

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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.