Home / 2,903.50-4,006.92-1,856.26

Finding the Fourth Proportional to 2,903.50, 4,006.92 and 1,856.26

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Solution

The fourth proportional to 2,903.50, 4,006.92 and 1,856.26 is: 2,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.50 : 4,006.92 = 1,856.26 : x
  2. Step 2: Convert to fraction form
    2,903.50/4,006.92 = 1,856.26/x
  3. Step 3: Cross multiply
    2,903.50x = 4,006.92 × 1,856.26
  4. Step 4: Simplify right side
    2,903.50x = 7,437,885.32
  5. Step 5: Solve for x
    x = 7,437,885.32/2,903.50
  6. Step 6: Final answer
    x = 2,561.70

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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.