Home / 2,102.02-3,126.36-2,058.28

Finding the Fourth Proportional to 2,102.02, 3,126.36 and 2,058.28

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Solution

The fourth proportional to 2,102.02, 3,126.36 and 2,058.28 is: 3,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.02 : 3,126.36 = 2,058.28 : x
  2. Step 2: Convert to fraction form
    2,102.02/3,126.36 = 2,058.28/x
  3. Step 3: Cross multiply
    2,102.02x = 3,126.36 × 2,058.28
  4. Step 4: Simplify right side
    2,102.02x = 6,434,924.26
  5. Step 5: Solve for x
    x = 6,434,924.26/2,102.02
  6. Step 6: Final answer
    x = 3,061.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.