Home / 2,776.13-4,164.60-1,477.70

Finding the Fourth Proportional to 2,776.13, 4,164.60 and 1,477.70

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Solution

The fourth proportional to 2,776.13, 4,164.60 and 1,477.70 is: 2,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.13 : 4,164.60 = 1,477.70 : x
  2. Step 2: Convert to fraction form
    2,776.13/4,164.60 = 1,477.70/x
  3. Step 3: Cross multiply
    2,776.13x = 4,164.60 × 1,477.70
  4. Step 4: Simplify right side
    2,776.13x = 6,154,029.42
  5. Step 5: Solve for x
    x = 6,154,029.42/2,776.13
  6. Step 6: Final answer
    x = 2,216.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.