Home / 2,915.01-4,351.36-2,698.18

Finding the Fourth Proportional to 2,915.01, 4,351.36 and 2,698.18

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Solution

The fourth proportional to 2,915.01, 4,351.36 and 2,698.18 is: 4,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.01 : 4,351.36 = 2,698.18 : x
  2. Step 2: Convert to fraction form
    2,915.01/4,351.36 = 2,698.18/x
  3. Step 3: Cross multiply
    2,915.01x = 4,351.36 × 2,698.18
  4. Step 4: Simplify right side
    2,915.01x = 11,740,752.52
  5. Step 5: Solve for x
    x = 11,740,752.52/2,915.01
  6. Step 6: Final answer
    x = 4,027.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.