Home / 3,064.02-4,226.76-2,120.70

Finding the Fourth Proportional to 3,064.02, 4,226.76 and 2,120.70

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Solution

The fourth proportional to 3,064.02, 4,226.76 and 2,120.70 is: 2,925.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.02 : 4,226.76 = 2,120.70 : x
  2. Step 2: Convert to fraction form
    3,064.02/4,226.76 = 2,120.70/x
  3. Step 3: Cross multiply
    3,064.02x = 4,226.76 × 2,120.70
  4. Step 4: Simplify right side
    3,064.02x = 8,963,689.93
  5. Step 5: Solve for x
    x = 8,963,689.93/3,064.02
  6. Step 6: Final answer
    x = 2,925.47

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Half scale
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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.