Home / 2,915.19-4,023.01-1,588.97

Finding the Fourth Proportional to 2,915.19, 4,023.01 and 1,588.97

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Solution

The fourth proportional to 2,915.19, 4,023.01 and 1,588.97 is: 2,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.19 : 4,023.01 = 1,588.97 : x
  2. Step 2: Convert to fraction form
    2,915.19/4,023.01 = 1,588.97/x
  3. Step 3: Cross multiply
    2,915.19x = 4,023.01 × 1,588.97
  4. Step 4: Simplify right side
    2,915.19x = 6,392,418.11
  5. Step 5: Solve for x
    x = 6,392,418.11/2,915.19
  6. Step 6: Final answer
    x = 2,192.80

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1.5x scale

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.