Home / 2,699.19-4,050.54-1,057.05

Finding the Fourth Proportional to 2,699.19, 4,050.54 and 1,057.05

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Solution

The fourth proportional to 2,699.19, 4,050.54 and 1,057.05 is: 1,586.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.19 : 4,050.54 = 1,057.05 : x
  2. Step 2: Convert to fraction form
    2,699.19/4,050.54 = 1,057.05/x
  3. Step 3: Cross multiply
    2,699.19x = 4,050.54 × 1,057.05
  4. Step 4: Simplify right side
    2,699.19x = 4,281,623.31
  5. Step 5: Solve for x
    x = 4,281,623.31/2,699.19
  6. Step 6: Final answer
    x = 1,586.26

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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.