Home / 2,475.49-3,712.84-916.23

Finding the Fourth Proportional to 2,475.49, 3,712.84 and 916.23

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Solution

The fourth proportional to 2,475.49, 3,712.84 and 916.23 is: 1,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.49 : 3,712.84 = 916.23 : x
  2. Step 2: Convert to fraction form
    2,475.49/3,712.84 = 916.23/x
  3. Step 3: Cross multiply
    2,475.49x = 3,712.84 × 916.23
  4. Step 4: Simplify right side
    2,475.49x = 3,401,815.39
  5. Step 5: Solve for x
    x = 3,401,815.39/2,475.49
  6. Step 6: Final answer
    x = 1,374.20

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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.