Home / 2,356.40-3,526.90-1,623.76

Finding the Fourth Proportional to 2,356.40, 3,526.90 and 1,623.76

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Solution

The fourth proportional to 2,356.40, 3,526.90 and 1,623.76 is: 2,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.40 : 3,526.90 = 1,623.76 : x
  2. Step 2: Convert to fraction form
    2,356.40/3,526.90 = 1,623.76/x
  3. Step 3: Cross multiply
    2,356.40x = 3,526.90 × 1,623.76
  4. Step 4: Simplify right side
    2,356.40x = 5,726,839.14
  5. Step 5: Solve for x
    x = 5,726,839.14/2,356.40
  6. Step 6: Final answer
    x = 2,430.33

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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.