Home / 2,925.28-4,037.68-1,666.96

Finding the Fourth Proportional to 2,925.28, 4,037.68 and 1,666.96

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Solution

The fourth proportional to 2,925.28, 4,037.68 and 1,666.96 is: 2,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.28 : 4,037.68 = 1,666.96 : x
  2. Step 2: Convert to fraction form
    2,925.28/4,037.68 = 1,666.96/x
  3. Step 3: Cross multiply
    2,925.28x = 4,037.68 × 1,666.96
  4. Step 4: Simplify right side
    2,925.28x = 6,730,651.05
  5. Step 5: Solve for x
    x = 6,730,651.05/2,925.28
  6. Step 6: Final answer
    x = 2,300.86

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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.