Home / 2,265.17-3,123.29-2,125.06

Finding the Fourth Proportional to 2,265.17, 3,123.29 and 2,125.06

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Solution

The fourth proportional to 2,265.17, 3,123.29 and 2,125.06 is: 2,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.17 : 3,123.29 = 2,125.06 : x
  2. Step 2: Convert to fraction form
    2,265.17/3,123.29 = 2,125.06/x
  3. Step 3: Cross multiply
    2,265.17x = 3,123.29 × 2,125.06
  4. Step 4: Simplify right side
    2,265.17x = 6,637,176.15
  5. Step 5: Solve for x
    x = 6,637,176.15/2,265.17
  6. Step 6: Final answer
    x = 2,930.11

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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.