Home / 2,070.48-2,857.25-1,126.26

Finding the Fourth Proportional to 2,070.48, 2,857.25 and 1,126.26

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Solution

The fourth proportional to 2,070.48, 2,857.25 and 1,126.26 is: 1,554.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.48 : 2,857.25 = 1,126.26 : x
  2. Step 2: Convert to fraction form
    2,070.48/2,857.25 = 1,126.26/x
  3. Step 3: Cross multiply
    2,070.48x = 2,857.25 × 1,126.26
  4. Step 4: Simplify right side
    2,070.48x = 3,218,000.75
  5. Step 5: Solve for x
    x = 3,218,000.75/2,070.48
  6. Step 6: Final answer
    x = 1,554.23

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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.