Home / 2,925.68-4,037.49-1,666.80

Finding the Fourth Proportional to 2,925.68, 4,037.49 and 1,666.80

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Solution

The fourth proportional to 2,925.68, 4,037.49 and 1,666.80 is: 2,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.68 : 4,037.49 = 1,666.80 : x
  2. Step 2: Convert to fraction form
    2,925.68/4,037.49 = 1,666.80/x
  3. Step 3: Cross multiply
    2,925.68x = 4,037.49 × 1,666.80
  4. Step 4: Simplify right side
    2,925.68x = 6,729,688.33
  5. Step 5: Solve for x
    x = 6,729,688.33/2,925.68
  6. Step 6: Final answer
    x = 2,300.22

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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.