Home / 2,925.85-4,037.27-1,666.66

Finding the Fourth Proportional to 2,925.85, 4,037.27 and 1,666.66

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Solution

The fourth proportional to 2,925.85, 4,037.27 and 1,666.66 is: 2,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.85 : 4,037.27 = 1,666.66 : x
  2. Step 2: Convert to fraction form
    2,925.85/4,037.27 = 1,666.66/x
  3. Step 3: Cross multiply
    2,925.85x = 4,037.27 × 1,666.66
  4. Step 4: Simplify right side
    2,925.85x = 6,728,777.64
  5. Step 5: Solve for x
    x = 6,728,777.64/2,925.85
  6. Step 6: Final answer
    x = 2,299.77

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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.