Home / 1,766.02-2,435.43-1,057.76

Finding the Fourth Proportional to 1,766.02, 2,435.43 and 1,057.76

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Solution

The fourth proportional to 1,766.02, 2,435.43 and 1,057.76 is: 1,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.02 : 2,435.43 = 1,057.76 : x
  2. Step 2: Convert to fraction form
    1,766.02/2,435.43 = 1,057.76/x
  3. Step 3: Cross multiply
    1,766.02x = 2,435.43 × 1,057.76
  4. Step 4: Simplify right side
    1,766.02x = 2,576,100.44
  5. Step 5: Solve for x
    x = 2,576,100.44/1,766.02
  6. Step 6: Final answer
    x = 1,458.70

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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.