Home / 4,551.35-6,280.75-2,979.41

Finding the Fourth Proportional to 4,551.35, 6,280.75 and 2,979.41

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Solution

The fourth proportional to 4,551.35, 6,280.75 and 2,979.41 is: 4,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.35 : 6,280.75 = 2,979.41 : x
  2. Step 2: Convert to fraction form
    4,551.35/6,280.75 = 2,979.41/x
  3. Step 3: Cross multiply
    4,551.35x = 6,280.75 × 2,979.41
  4. Step 4: Simplify right side
    4,551.35x = 18,712,929.36
  5. Step 5: Solve for x
    x = 18,712,929.36/4,551.35
  6. Step 6: Final answer
    x = 4,111.51

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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.