Home / 3,532.02-4,874.63-2,115.70

Finding the Fourth Proportional to 3,532.02, 4,874.63 and 2,115.70

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Solution

The fourth proportional to 3,532.02, 4,874.63 and 2,115.70 is: 2,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532.02 : 4,874.63 = 2,115.70 : x
  2. Step 2: Convert to fraction form
    3,532.02/4,874.63 = 2,115.70/x
  3. Step 3: Cross multiply
    3,532.02x = 4,874.63 × 2,115.70
  4. Step 4: Simplify right side
    3,532.02x = 10,313,254.69
  5. Step 5: Solve for x
    x = 10,313,254.69/3,532.02
  6. Step 6: Final answer
    x = 2,919.93

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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.