Home / 1,623.55-2,433.78-527.15

Finding the Fourth Proportional to 1,623.55, 2,433.78 and 527.15

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Solution

The fourth proportional to 1,623.55, 2,433.78 and 527.15 is: 790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.55 : 2,433.78 = 527.15 : x
  2. Step 2: Convert to fraction form
    1,623.55/2,433.78 = 527.15/x
  3. Step 3: Cross multiply
    1,623.55x = 2,433.78 × 527.15
  4. Step 4: Simplify right side
    1,623.55x = 1,282,962.36
  5. Step 5: Solve for x
    x = 1,282,962.36/1,623.55
  6. Step 6: Final answer
    x = 790.22

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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.