Home / 5,135.34-7,703.95-1,626.23

Finding the Fourth Proportional to 5,135.34, 7,703.95 and 1,626.23

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Solution

The fourth proportional to 5,135.34, 7,703.95 and 1,626.23 is: 2,439.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.34 : 7,703.95 = 1,626.23 : x
  2. Step 2: Convert to fraction form
    5,135.34/7,703.95 = 1,626.23/x
  3. Step 3: Cross multiply
    5,135.34x = 7,703.95 × 1,626.23
  4. Step 4: Simplify right side
    5,135.34x = 12,528,394.61
  5. Step 5: Solve for x
    x = 12,528,394.61/5,135.34
  6. Step 6: Final answer
    x = 2,439.64

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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.