Home / 4,123.40-6,184.95-1,657.55

Finding the Fourth Proportional to 4,123.40, 6,184.95 and 1,657.55

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Solution

The fourth proportional to 4,123.40, 6,184.95 and 1,657.55 is: 2,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.40 : 6,184.95 = 1,657.55 : x
  2. Step 2: Convert to fraction form
    4,123.40/6,184.95 = 1,657.55/x
  3. Step 3: Cross multiply
    4,123.40x = 6,184.95 × 1,657.55
  4. Step 4: Simplify right side
    4,123.40x = 10,251,863.87
  5. Step 5: Solve for x
    x = 10,251,863.87/4,123.40
  6. Step 6: Final answer
    x = 2,486.26

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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.