Home / 2,113.18-2,915.26-1,450.87

Finding the Fourth Proportional to 2,113.18, 2,915.26 and 1,450.87

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Solution

The fourth proportional to 2,113.18, 2,915.26 and 1,450.87 is: 2,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.18 : 2,915.26 = 1,450.87 : x
  2. Step 2: Convert to fraction form
    2,113.18/2,915.26 = 1,450.87/x
  3. Step 3: Cross multiply
    2,113.18x = 2,915.26 × 1,450.87
  4. Step 4: Simplify right side
    2,113.18x = 4,229,663.28
  5. Step 5: Solve for x
    x = 4,229,663.28/2,113.18
  6. Step 6: Final answer
    x = 2,001.56

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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.