Home / 2,526.46-3,486.62-1,407.40

Finding the Fourth Proportional to 2,526.46, 3,486.62 and 1,407.40

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Solution

The fourth proportional to 2,526.46, 3,486.62 and 1,407.40 is: 1,942.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.46 : 3,486.62 = 1,407.40 : x
  2. Step 2: Convert to fraction form
    2,526.46/3,486.62 = 1,407.40/x
  3. Step 3: Cross multiply
    2,526.46x = 3,486.62 × 1,407.40
  4. Step 4: Simplify right side
    2,526.46x = 4,907,057.90
  5. Step 5: Solve for x
    x = 4,907,057.90/2,526.46
  6. Step 6: Final answer
    x = 1,942.27

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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.