Home / 2,552.40-3,522.29-1,557.51

Finding the Fourth Proportional to 2,552.40, 3,522.29 and 1,557.51

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Solution

The fourth proportional to 2,552.40, 3,522.29 and 1,557.51 is: 2,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552.40 : 3,522.29 = 1,557.51 : x
  2. Step 2: Convert to fraction form
    2,552.40/3,522.29 = 1,557.51/x
  3. Step 3: Cross multiply
    2,552.40x = 3,522.29 × 1,557.51
  4. Step 4: Simplify right side
    2,552.40x = 5,485,994.11
  5. Step 5: Solve for x
    x = 5,485,994.11/2,552.40
  6. Step 6: Final answer
    x = 2,149.35

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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.