Home / 2,915.04-4,016.40-2,441.28

Finding the Fourth Proportional to 2,915.04, 4,016.40 and 2,441.28

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Solution

The fourth proportional to 2,915.04, 4,016.40 and 2,441.28 is: 3,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.04 : 4,016.40 = 2,441.28 : x
  2. Step 2: Convert to fraction form
    2,915.04/4,016.40 = 2,441.28/x
  3. Step 3: Cross multiply
    2,915.04x = 4,016.40 × 2,441.28
  4. Step 4: Simplify right side
    2,915.04x = 9,805,156.99
  5. Step 5: Solve for x
    x = 9,805,156.99/2,915.04
  6. Step 6: Final answer
    x = 3,363.64

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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.