Home / 2,526.40-3,486.72-2,445.76

Finding the Fourth Proportional to 2,526.40, 3,486.72 and 2,445.76

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Solution

The fourth proportional to 2,526.40, 3,486.72 and 2,445.76 is: 3,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.40 : 3,486.72 = 2,445.76 : x
  2. Step 2: Convert to fraction form
    2,526.40/3,486.72 = 2,445.76/x
  3. Step 3: Cross multiply
    2,526.40x = 3,486.72 × 2,445.76
  4. Step 4: Simplify right side
    2,526.40x = 8,527,680.31
  5. Step 5: Solve for x
    x = 8,527,680.31/2,526.40
  6. Step 6: Final answer
    x = 3,375.43

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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.